Home / 83,530.62-115,272.18-45,291.43

Finding the Fourth Proportional to 83,530.62, 115,272.18 and 45,291.43

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Solution

The fourth proportional to 83,530.62, 115,272.18 and 45,291.43 is: 62,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,530.62 : 115,272.18 = 45,291.43 : x
  2. Step 2: Convert to fraction form
    83,530.62/115,272.18 = 45,291.43/x
  3. Step 3: Cross multiply
    83,530.62x = 115,272.18 × 45,291.43
  4. Step 4: Simplify right side
    83,530.62x = 5,220,842,185.35
  5. Step 5: Solve for x
    x = 5,220,842,185.35/83,530.62
  6. Step 6: Final answer
    x = 62,502.14

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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.