Home / 91,712.97-137,555.28-37,683.14

Finding the Fourth Proportional to 91,712.97, 137,555.28 and 37,683.14

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Solution

The fourth proportional to 91,712.97, 137,555.28 and 37,683.14 is: 56,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,712.97 : 137,555.28 = 37,683.14 : x
  2. Step 2: Convert to fraction form
    91,712.97/137,555.28 = 37,683.14/x
  3. Step 3: Cross multiply
    91,712.97x = 137,555.28 × 37,683.14
  4. Step 4: Simplify right side
    91,712.97x = 5,183,514,186.20
  5. Step 5: Solve for x
    x = 5,183,514,186.20/91,712.97
  6. Step 6: Final answer
    x = 56,518.88

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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.