Home / 86,196.20-129,294.28-27,037.04

Finding the Fourth Proportional to 86,196.20, 129,294.28 and 27,037.04

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Solution

The fourth proportional to 86,196.20, 129,294.28 and 27,037.04 is: 40,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196.20 : 129,294.28 = 27,037.04 : x
  2. Step 2: Convert to fraction form
    86,196.20/129,294.28 = 27,037.04/x
  3. Step 3: Cross multiply
    86,196.20x = 129,294.28 × 27,037.04
  4. Step 4: Simplify right side
    86,196.20x = 3,495,734,620.13
  5. Step 5: Solve for x
    x = 3,495,734,620.13/86,196.20
  6. Step 6: Final answer
    x = 40,555.55

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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.