Home / 86,344.56-129,507.48-23,171.04

Finding the Fourth Proportional to 86,344.56, 129,507.48 and 23,171.04

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Solution

The fourth proportional to 86,344.56, 129,507.48 and 23,171.04 is: 34,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.56 : 129,507.48 = 23,171.04 : x
  2. Step 2: Convert to fraction form
    86,344.56/129,507.48 = 23,171.04/x
  3. Step 3: Cross multiply
    86,344.56x = 129,507.48 × 23,171.04
  4. Step 4: Simplify right side
    86,344.56x = 3,000,822,999.38
  5. Step 5: Solve for x
    x = 3,000,822,999.38/86,344.56
  6. Step 6: Final answer
    x = 34,754.05

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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.