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Finding the Fourth Proportional to 77,959.35, 116,753.36 and 49,792.14

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Solution

The fourth proportional to 77,959.35, 116,753.36 and 49,792.14 is: 74,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,959.35 : 116,753.36 = 49,792.14 : x
  2. Step 2: Convert to fraction form
    77,959.35/116,753.36 = 49,792.14/x
  3. Step 3: Cross multiply
    77,959.35x = 116,753.36 × 49,792.14
  4. Step 4: Simplify right side
    77,959.35x = 5,813,399,397.63
  5. Step 5: Solve for x
    x = 5,813,399,397.63/77,959.35
  6. Step 6: Final answer
    x = 74,569.62

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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.