Home / 91,058.66-136,555.19-38,472.25

Finding the Fourth Proportional to 91,058.66, 136,555.19 and 38,472.25

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Solution

The fourth proportional to 91,058.66, 136,555.19 and 38,472.25 is: 57,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,058.66 : 136,555.19 = 38,472.25 : x
  2. Step 2: Convert to fraction form
    91,058.66/136,555.19 = 38,472.25/x
  3. Step 3: Cross multiply
    91,058.66x = 136,555.19 × 38,472.25
  4. Step 4: Simplify right side
    91,058.66x = 5,253,584,970.91
  5. Step 5: Solve for x
    x = 5,253,584,970.91/91,058.66
  6. Step 6: Final answer
    x = 57,694.51

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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.