Home / 104,438.54-144,125.06-56,691.88

Finding the Fourth Proportional to 104,438.54, 144,125.06 and 56,691.88

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Solution

The fourth proportional to 104,438.54, 144,125.06 and 56,691.88 is: 78,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,438.54 : 144,125.06 = 56,691.88 : x
  2. Step 2: Convert to fraction form
    104,438.54/144,125.06 = 56,691.88/x
  3. Step 3: Cross multiply
    104,438.54x = 144,125.06 × 56,691.88
  4. Step 4: Simplify right side
    104,438.54x = 8,170,720,323.05
  5. Step 5: Solve for x
    x = 8,170,720,323.05/104,438.54
  6. Step 6: Final answer
    x = 78,234.73

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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.