Home / 86,277.60-129,414.24-27,105.12

Finding the Fourth Proportional to 86,277.60, 129,414.24 and 27,105.12

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Solution

The fourth proportional to 86,277.60, 129,414.24 and 27,105.12 is: 40,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,277.60 : 129,414.24 = 27,105.12 : x
  2. Step 2: Convert to fraction form
    86,277.60/129,414.24 = 27,105.12/x
  3. Step 3: Cross multiply
    86,277.60x = 129,414.24 × 27,105.12
  4. Step 4: Simplify right side
    86,277.60x = 3,507,788,504.91
  5. Step 5: Solve for x
    x = 3,507,788,504.91/86,277.60
  6. Step 6: Final answer
    x = 40,657.00

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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.