Home / 47,869.50-66,061.43-29,958.78

Finding the Fourth Proportional to 47,869.50, 66,061.43 and 29,958.78

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Solution

The fourth proportional to 47,869.50, 66,061.43 and 29,958.78 is: 41,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,869.50 : 66,061.43 = 29,958.78 : x
  2. Step 2: Convert to fraction form
    47,869.50/66,061.43 = 29,958.78/x
  3. Step 3: Cross multiply
    47,869.50x = 66,061.43 × 29,958.78
  4. Step 4: Simplify right side
    47,869.50x = 1,979,119,847.86
  5. Step 5: Solve for x
    x = 1,979,119,847.86/47,869.50
  6. Step 6: Final answer
    x = 41,344.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.