Home / 91,059.02-136,555.73-38,472.61

Finding the Fourth Proportional to 91,059.02, 136,555.73 and 38,472.61

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Solution

The fourth proportional to 91,059.02, 136,555.73 and 38,472.61 is: 57,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.02 : 136,555.73 = 38,472.61 : x
  2. Step 2: Convert to fraction form
    91,059.02/136,555.73 = 38,472.61/x
  3. Step 3: Cross multiply
    91,059.02x = 136,555.73 × 38,472.61
  4. Step 4: Simplify right side
    91,059.02x = 5,253,654,553.76
  5. Step 5: Solve for x
    x = 5,253,654,553.76/91,059.02
  6. Step 6: Final answer
    x = 57,695.05

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1.5x scale

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.