Home / 81,429.40-122,046.90-41,966.20

Finding the Fourth Proportional to 81,429.40, 122,046.90 and 41,966.20

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Solution

The fourth proportional to 81,429.40, 122,046.90 and 41,966.20 is: 62,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,429.40 : 122,046.90 = 41,966.20 : x
  2. Step 2: Convert to fraction form
    81,429.40/122,046.90 = 41,966.20/x
  3. Step 3: Cross multiply
    81,429.40x = 122,046.90 × 41,966.20
  4. Step 4: Simplify right side
    81,429.40x = 5,121,844,614.78
  5. Step 5: Solve for x
    x = 5,121,844,614.78/81,429.40
  6. Step 6: Final answer
    x = 62,899.21

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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.