Home / 99,496.14-137,314.36-74,301.90

Finding the Fourth Proportional to 99,496.14, 137,314.36 and 74,301.90

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Solution

The fourth proportional to 99,496.14, 137,314.36 and 74,301.90 is: 102,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496.14 : 137,314.36 = 74,301.90 : x
  2. Step 2: Convert to fraction form
    99,496.14/137,314.36 = 74,301.90/x
  3. Step 3: Cross multiply
    99,496.14x = 137,314.36 × 74,301.90
  4. Step 4: Simplify right side
    99,496.14x = 10,202,717,845.28
  5. Step 5: Solve for x
    x = 10,202,717,845.28/99,496.14
  6. Step 6: Final answer
    x = 102,543.86

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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.