Home / 82,024.40-123,036.60-50,877.20

Finding the Fourth Proportional to 82,024.40, 123,036.60 and 50,877.20

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Solution

The fourth proportional to 82,024.40, 123,036.60 and 50,877.20 is: 76,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,024.40 : 123,036.60 = 50,877.20 : x
  2. Step 2: Convert to fraction form
    82,024.40/123,036.60 = 50,877.20/x
  3. Step 3: Cross multiply
    82,024.40x = 123,036.60 × 50,877.20
  4. Step 4: Simplify right side
    82,024.40x = 6,259,757,705.52
  5. Step 5: Solve for x
    x = 6,259,757,705.52/82,024.40
  6. Step 6: Final answer
    x = 76,315.80

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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.