Home / 92,816.28-139,026.72-45,358.32

Finding the Fourth Proportional to 92,816.28, 139,026.72 and 45,358.32

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Solution

The fourth proportional to 92,816.28, 139,026.72 and 45,358.32 is: 67,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,816.28 : 139,026.72 = 45,358.32 : x
  2. Step 2: Convert to fraction form
    92,816.28/139,026.72 = 45,358.32/x
  3. Step 3: Cross multiply
    92,816.28x = 139,026.72 × 45,358.32
  4. Step 4: Simplify right side
    92,816.28x = 6,306,018,454.31
  5. Step 5: Solve for x
    x = 6,306,018,454.31/92,816.28
  6. Step 6: Final answer
    x = 67,940.87

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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.