Home / 97,337.97-134,314.20-57,042.50

Finding the Fourth Proportional to 97,337.97, 134,314.20 and 57,042.50

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Solution

The fourth proportional to 97,337.97, 134,314.20 and 57,042.50 is: 78,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,337.97 : 134,314.20 = 57,042.50 : x
  2. Step 2: Convert to fraction form
    97,337.97/134,314.20 = 57,042.50/x
  3. Step 3: Cross multiply
    97,337.97x = 134,314.20 × 57,042.50
  4. Step 4: Simplify right side
    97,337.97x = 7,661,617,081.93
  5. Step 5: Solve for x
    x = 7,661,617,081.93/97,337.97
  6. Step 6: Final answer
    x = 78,711.49

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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.