Home / 86,913.26-130,372.14-27,748.88

Finding the Fourth Proportional to 86,913.26, 130,372.14 and 27,748.88

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Solution

The fourth proportional to 86,913.26, 130,372.14 and 27,748.88 is: 41,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.26 : 130,372.14 = 27,748.88 : x
  2. Step 2: Convert to fraction form
    86,913.26/130,372.14 = 27,748.88/x
  3. Step 3: Cross multiply
    86,913.26x = 130,372.14 × 27,748.88
  4. Step 4: Simplify right side
    86,913.26x = 3,617,680,868.20
  5. Step 5: Solve for x
    x = 3,617,680,868.20/86,913.26
  6. Step 6: Final answer
    x = 41,624.04

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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.