Home / 86,207.76-129,234.96-33,654.06

Finding the Fourth Proportional to 86,207.76, 129,234.96 and 33,654.06

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Solution

The fourth proportional to 86,207.76, 129,234.96 and 33,654.06 is: 50,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.76 : 129,234.96 = 33,654.06 : x
  2. Step 2: Convert to fraction form
    86,207.76/129,234.96 = 33,654.06/x
  3. Step 3: Cross multiply
    86,207.76x = 129,234.96 × 33,654.06
  4. Step 4: Simplify right side
    86,207.76x = 4,349,281,097.94
  5. Step 5: Solve for x
    x = 4,349,281,097.94/86,207.76
  6. Step 6: Final answer
    x = 50,451.16

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1.5x scale

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.