Home / 91,177.83-125,726.19-59,287.59

Finding the Fourth Proportional to 91,177.83, 125,726.19 and 59,287.59

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Solution

The fourth proportional to 91,177.83, 125,726.19 and 59,287.59 is: 81,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.83 : 125,726.19 = 59,287.59 : x
  2. Step 2: Convert to fraction form
    91,177.83/125,726.19 = 59,287.59/x
  3. Step 3: Cross multiply
    91,177.83x = 125,726.19 × 59,287.59
  4. Step 4: Simplify right side
    91,177.83x = 7,454,002,804.98
  5. Step 5: Solve for x
    x = 7,454,002,804.98/91,177.83
  6. Step 6: Final answer
    x = 81,752.36

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1.5x scale

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.