Home / 86,654.16-129,999.60-27,482.04

Finding the Fourth Proportional to 86,654.16, 129,999.60 and 27,482.04

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Solution

The fourth proportional to 86,654.16, 129,999.60 and 27,482.04 is: 41,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,654.16 : 129,999.60 = 27,482.04 : x
  2. Step 2: Convert to fraction form
    86,654.16/129,999.60 = 27,482.04/x
  3. Step 3: Cross multiply
    86,654.16x = 129,999.60 × 27,482.04
  4. Step 4: Simplify right side
    86,654.16x = 3,572,654,207.18
  5. Step 5: Solve for x
    x = 3,572,654,207.18/86,654.16
  6. Step 6: Final answer
    x = 41,228.88

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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.