Home / 92,869.54-139,304.32-76,434.22

Finding the Fourth Proportional to 92,869.54, 139,304.32 and 76,434.22

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Solution

The fourth proportional to 92,869.54, 139,304.32 and 76,434.22 is: 114,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,869.54 : 139,304.32 = 76,434.22 : x
  2. Step 2: Convert to fraction form
    92,869.54/139,304.32 = 76,434.22/x
  3. Step 3: Cross multiply
    92,869.54x = 139,304.32 × 76,434.22
  4. Step 4: Simplify right side
    92,869.54x = 10,647,617,041.83
  5. Step 5: Solve for x
    x = 10,647,617,041.83/92,869.54
  6. Step 6: Final answer
    x = 114,651.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.