Home / 86,442.96-129,574.53-36,481.35

Finding the Fourth Proportional to 86,442.96, 129,574.53 and 36,481.35

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Solution

The fourth proportional to 86,442.96, 129,574.53 and 36,481.35 is: 54,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,442.96 : 129,574.53 = 36,481.35 : x
  2. Step 2: Convert to fraction form
    86,442.96/129,574.53 = 36,481.35/x
  3. Step 3: Cross multiply
    86,442.96x = 129,574.53 × 36,481.35
  4. Step 4: Simplify right side
    86,442.96x = 4,727,053,780.02
  5. Step 5: Solve for x
    x = 4,727,053,780.02/86,442.96
  6. Step 6: Final answer
    x = 54,684.08

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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.