Home / 67,242.15-100,929.24-51,298.92

Finding the Fourth Proportional to 67,242.15, 100,929.24 and 51,298.92

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Solution

The fourth proportional to 67,242.15, 100,929.24 and 51,298.92 is: 76,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,242.15 : 100,929.24 = 51,298.92 : x
  2. Step 2: Convert to fraction form
    67,242.15/100,929.24 = 51,298.92/x
  3. Step 3: Cross multiply
    67,242.15x = 100,929.24 × 51,298.92
  4. Step 4: Simplify right side
    67,242.15x = 5,177,561,008.42
  5. Step 5: Solve for x
    x = 5,177,561,008.42/67,242.15
  6. Step 6: Final answer
    x = 76,998.74

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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.