Home / 83,032.40-124,548.60-76,617.20

Finding the Fourth Proportional to 83,032.40, 124,548.60 and 76,617.20

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Solution

The fourth proportional to 83,032.40, 124,548.60 and 76,617.20 is: 114,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,032.40 : 124,548.60 = 76,617.20 : x
  2. Step 2: Convert to fraction form
    83,032.40/124,548.60 = 76,617.20/x
  3. Step 3: Cross multiply
    83,032.40x = 124,548.60 × 76,617.20
  4. Step 4: Simplify right side
    83,032.40x = 9,542,564,995.92
  5. Step 5: Solve for x
    x = 9,542,564,995.92/83,032.40
  6. Step 6: Final answer
    x = 114,925.80

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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.