Home / 80,098.47-120,145.01-37,998.72

Finding the Fourth Proportional to 80,098.47, 120,145.01 and 37,998.72

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Solution

The fourth proportional to 80,098.47, 120,145.01 and 37,998.72 is: 56,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,098.47 : 120,145.01 = 37,998.72 : x
  2. Step 2: Convert to fraction form
    80,098.47/120,145.01 = 37,998.72/x
  3. Step 3: Cross multiply
    80,098.47x = 120,145.01 × 37,998.72
  4. Step 4: Simplify right side
    80,098.47x = 4,565,356,404.39
  5. Step 5: Solve for x
    x = 4,565,356,404.39/80,098.47
  6. Step 6: Final answer
    x = 56,996.80

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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.