Home / 52,512.80-78,686.64-32,761.76

Finding the Fourth Proportional to 52,512.80, 78,686.64 and 32,761.76

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Solution

The fourth proportional to 52,512.80, 78,686.64 and 32,761.76 is: 49,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.80 : 78,686.64 = 32,761.76 : x
  2. Step 2: Convert to fraction form
    52,512.80/78,686.64 = 32,761.76/x
  3. Step 3: Cross multiply
    52,512.80x = 78,686.64 × 32,761.76
  4. Step 4: Simplify right side
    52,512.80x = 2,577,912,814.89
  5. Step 5: Solve for x
    x = 2,577,912,814.89/52,512.80
  6. Step 6: Final answer
    x = 49,091.13

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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.