Home / 97,318.43-134,301.18-57,043.61

Finding the Fourth Proportional to 97,318.43, 134,301.18 and 57,043.61

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Solution

The fourth proportional to 97,318.43, 134,301.18 and 57,043.61 is: 78,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,318.43 : 134,301.18 = 57,043.61 : x
  2. Step 2: Convert to fraction form
    97,318.43/134,301.18 = 57,043.61/x
  3. Step 3: Cross multiply
    97,318.43x = 134,301.18 × 57,043.61
  4. Step 4: Simplify right side
    97,318.43x = 7,661,024,134.46
  5. Step 5: Solve for x
    x = 7,661,024,134.46/97,318.43
  6. Step 6: Final answer
    x = 78,721.21

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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.