Home / 120,620.52-181,041.78-61,500.24

Finding the Fourth Proportional to 120,620.52, 181,041.78 and 61,500.24

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Solution

The fourth proportional to 120,620.52, 181,041.78 and 61,500.24 is: 92,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,620.52 : 181,041.78 = 61,500.24 : x
  2. Step 2: Convert to fraction form
    120,620.52/181,041.78 = 61,500.24/x
  3. Step 3: Cross multiply
    120,620.52x = 181,041.78 × 61,500.24
  4. Step 4: Simplify right side
    120,620.52x = 11,134,112,920.03
  5. Step 5: Solve for x
    x = 11,134,112,920.03/120,620.52
  6. Step 6: Final answer
    x = 92,306.96

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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.