Home / 91,553.44-137,349.75-28,372.16

Finding the Fourth Proportional to 91,553.44, 137,349.75 and 28,372.16

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Solution

The fourth proportional to 91,553.44, 137,349.75 and 28,372.16 is: 42,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,553.44 : 137,349.75 = 28,372.16 : x
  2. Step 2: Convert to fraction form
    91,553.44/137,349.75 = 28,372.16/x
  3. Step 3: Cross multiply
    91,553.44x = 137,349.75 × 28,372.16
  4. Step 4: Simplify right side
    91,553.44x = 3,896,909,082.96
  5. Step 5: Solve for x
    x = 3,896,909,082.96/91,553.44
  6. Step 6: Final answer
    x = 42,564.31

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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.