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Finding the Fourth Proportional to 83,073.74, 114,637.74 and 47,260.40

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Solution

The fourth proportional to 83,073.74, 114,637.74 and 47,260.40 is: 65,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,073.74 : 114,637.74 = 47,260.40 : x
  2. Step 2: Convert to fraction form
    83,073.74/114,637.74 = 47,260.40/x
  3. Step 3: Cross multiply
    83,073.74x = 114,637.74 × 47,260.40
  4. Step 4: Simplify right side
    83,073.74x = 5,417,824,874.31
  5. Step 5: Solve for x
    x = 5,417,824,874.31/83,073.74
  6. Step 6: Final answer
    x = 65,217.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.