Home / 63,789.12-96,115.86-52,938.90

Finding the Fourth Proportional to 63,789.12, 96,115.86 and 52,938.90

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Solution

The fourth proportional to 63,789.12, 96,115.86 and 52,938.90 is: 79,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,789.12 : 96,115.86 = 52,938.90 : x
  2. Step 2: Convert to fraction form
    63,789.12/96,115.86 = 52,938.90/x
  3. Step 3: Cross multiply
    63,789.12x = 96,115.86 × 52,938.90
  4. Step 4: Simplify right side
    63,789.12x = 5,088,267,900.95
  5. Step 5: Solve for x
    x = 5,088,267,900.95/63,789.12
  6. Step 6: Final answer
    x = 79,767.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.