Home / 80,877.10-121,330.24-27,566.14

Finding the Fourth Proportional to 80,877.10, 121,330.24 and 27,566.14

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Solution

The fourth proportional to 80,877.10, 121,330.24 and 27,566.14 is: 41,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,877.10 : 121,330.24 = 27,566.14 : x
  2. Step 2: Convert to fraction form
    80,877.10/121,330.24 = 27,566.14/x
  3. Step 3: Cross multiply
    80,877.10x = 121,330.24 × 27,566.14
  4. Step 4: Simplify right side
    80,877.10x = 3,344,606,382.07
  5. Step 5: Solve for x
    x = 3,344,606,382.07/80,877.10
  6. Step 6: Final answer
    x = 41,354.18

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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.