Home / 91,098.48-136,614.87-38,512.02

Finding the Fourth Proportional to 91,098.48, 136,614.87 and 38,512.02

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Solution

The fourth proportional to 91,098.48, 136,614.87 and 38,512.02 is: 57,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.48 : 136,614.87 = 38,512.02 : x
  2. Step 2: Convert to fraction form
    91,098.48/136,614.87 = 38,512.02/x
  3. Step 3: Cross multiply
    91,098.48x = 136,614.87 × 38,512.02
  4. Step 4: Simplify right side
    91,098.48x = 5,261,314,605.74
  5. Step 5: Solve for x
    x = 5,261,314,605.74/91,098.48
  6. Step 6: Final answer
    x = 57,754.14

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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.