Home / 104,425.38-144,108.72-56,678.61

Finding the Fourth Proportional to 104,425.38, 144,108.72 and 56,678.61

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Solution

The fourth proportional to 104,425.38, 144,108.72 and 56,678.61 is: 78,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.38 : 144,108.72 = 56,678.61 : x
  2. Step 2: Convert to fraction form
    104,425.38/144,108.72 = 56,678.61/x
  3. Step 3: Cross multiply
    104,425.38x = 144,108.72 × 56,678.61
  4. Step 4: Simplify right side
    104,425.38x = 8,167,882,073.58
  5. Step 5: Solve for x
    x = 8,167,882,073.58/104,425.38
  6. Step 6: Final answer
    x = 78,217.41

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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.