Home / 104,711.97-144,532.22-61,716.46

Finding the Fourth Proportional to 104,711.97, 144,532.22 and 61,716.46

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Solution

The fourth proportional to 104,711.97, 144,532.22 and 61,716.46 is: 85,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,711.97 : 144,532.22 = 61,716.46 : x
  2. Step 2: Convert to fraction form
    104,711.97/144,532.22 = 61,716.46/x
  3. Step 3: Cross multiply
    104,711.97x = 144,532.22 × 61,716.46
  4. Step 4: Simplify right side
    104,711.97x = 8,920,016,689.66
  5. Step 5: Solve for x
    x = 8,920,016,689.66/104,711.97
  6. Step 6: Final answer
    x = 85,186.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.