Home / 82,732.20-124,098.30-74,437.80

Finding the Fourth Proportional to 82,732.20, 124,098.30 and 74,437.80

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Solution

The fourth proportional to 82,732.20, 124,098.30 and 74,437.80 is: 111,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732.20 : 124,098.30 = 74,437.80 : x
  2. Step 2: Convert to fraction form
    82,732.20/124,098.30 = 74,437.80/x
  3. Step 3: Cross multiply
    82,732.20x = 124,098.30 × 74,437.80
  4. Step 4: Simplify right side
    82,732.20x = 9,237,604,435.74
  5. Step 5: Solve for x
    x = 9,237,604,435.74/82,732.20
  6. Step 6: Final answer
    x = 111,656.70

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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.