Home / 87,089.16-130,655.69-24,759.66

Finding the Fourth Proportional to 87,089.16, 130,655.69 and 24,759.66

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Solution

The fourth proportional to 87,089.16, 130,655.69 and 24,759.66 is: 37,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,089.16 : 130,655.69 = 24,759.66 : x
  2. Step 2: Convert to fraction form
    87,089.16/130,655.69 = 24,759.66/x
  3. Step 3: Cross multiply
    87,089.16x = 130,655.69 × 24,759.66
  4. Step 4: Simplify right side
    87,089.16x = 3,234,990,134.83
  5. Step 5: Solve for x
    x = 3,234,990,134.83/87,089.16
  6. Step 6: Final answer
    x = 37,145.73

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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.