Home / 47,569.50-65,471.13-40,778.87

Finding the Fourth Proportional to 47,569.50, 65,471.13 and 40,778.87

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Solution

The fourth proportional to 47,569.50, 65,471.13 and 40,778.87 is: 56,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,569.50 : 65,471.13 = 40,778.87 : x
  2. Step 2: Convert to fraction form
    47,569.50/65,471.13 = 40,778.87/x
  3. Step 3: Cross multiply
    47,569.50x = 65,471.13 × 40,778.87
  4. Step 4: Simplify right side
    47,569.50x = 2,669,838,371.67
  5. Step 5: Solve for x
    x = 2,669,838,371.67/47,569.50
  6. Step 6: Final answer
    x = 56,125.00

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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.