Home / 92,095.74-137,619.34-69,150

Finding the Fourth Proportional to 92,095.74, 137,619.34 and 69,150

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Solution

The fourth proportional to 92,095.74, 137,619.34 and 69,150 is: 103,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,095.74 : 137,619.34 = 69,150 : x
  2. Step 2: Convert to fraction form
    92,095.74/137,619.34 = 69,150/x
  3. Step 3: Cross multiply
    92,095.74x = 137,619.34 × 69,150
  4. Step 4: Simplify right side
    92,095.74x = 9,516,377,361
  5. Step 5: Solve for x
    x = 9,516,377,361/92,095.74
  6. Step 6: Final answer
    x = 103,331.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.