Home / 83,029.60-124,544.40-57,660.40

Finding the Fourth Proportional to 83,029.60, 124,544.40 and 57,660.40

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Solution

The fourth proportional to 83,029.60, 124,544.40 and 57,660.40 is: 86,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,029.60 : 124,544.40 = 57,660.40 : x
  2. Step 2: Convert to fraction form
    83,029.60/124,544.40 = 57,660.40/x
  3. Step 3: Cross multiply
    83,029.60x = 124,544.40 × 57,660.40
  4. Step 4: Simplify right side
    83,029.60x = 7,181,279,921.76
  5. Step 5: Solve for x
    x = 7,181,279,921.76/83,029.60
  6. Step 6: Final answer
    x = 86,490.60

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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.