Home / 87,265.96-120,482.13-60,398.66

Finding the Fourth Proportional to 87,265.96, 120,482.13 and 60,398.66

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Solution

The fourth proportional to 87,265.96, 120,482.13 and 60,398.66 is: 83,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,265.96 : 120,482.13 = 60,398.66 : x
  2. Step 2: Convert to fraction form
    87,265.96/120,482.13 = 60,398.66/x
  3. Step 3: Cross multiply
    87,265.96x = 120,482.13 × 60,398.66
  4. Step 4: Simplify right side
    87,265.96x = 7,276,959,733.65
  5. Step 5: Solve for x
    x = 7,276,959,733.65/87,265.96
  6. Step 6: Final answer
    x = 83,388.30

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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.