Home / 50,005.70-75,008.55-45,167.30

Finding the Fourth Proportional to 50,005.70, 75,008.55 and 45,167.30

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Solution

The fourth proportional to 50,005.70, 75,008.55 and 45,167.30 is: 67,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,005.70 : 75,008.55 = 45,167.30 : x
  2. Step 2: Convert to fraction form
    50,005.70/75,008.55 = 45,167.30/x
  3. Step 3: Cross multiply
    50,005.70x = 75,008.55 × 45,167.30
  4. Step 4: Simplify right side
    50,005.70x = 3,387,933,680.42
  5. Step 5: Solve for x
    x = 3,387,933,680.42/50,005.70
  6. Step 6: Final answer
    x = 67,750.95

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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.