Home / 80,248.38-120,557.12-56,610.33

Finding the Fourth Proportional to 80,248.38, 120,557.12 and 56,610.33

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Solution

The fourth proportional to 80,248.38, 120,557.12 and 56,610.33 is: 85,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248.38 : 120,557.12 = 56,610.33 : x
  2. Step 2: Convert to fraction form
    80,248.38/120,557.12 = 56,610.33/x
  3. Step 3: Cross multiply
    80,248.38x = 120,557.12 × 56,610.33
  4. Step 4: Simplify right side
    80,248.38x = 6,824,778,064.00
  5. Step 5: Solve for x
    x = 6,824,778,064.00/80,248.38
  6. Step 6: Final answer
    x = 85,045.68

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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.