Home / 40,800.12-61,142.72-32,443.04

Finding the Fourth Proportional to 40,800.12, 61,142.72 and 32,443.04

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Solution

The fourth proportional to 40,800.12, 61,142.72 and 32,443.04 is: 48,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,800.12 : 61,142.72 = 32,443.04 : x
  2. Step 2: Convert to fraction form
    40,800.12/61,142.72 = 32,443.04/x
  3. Step 3: Cross multiply
    40,800.12x = 61,142.72 × 32,443.04
  4. Step 4: Simplify right side
    40,800.12x = 1,983,655,242.74
  5. Step 5: Solve for x
    x = 1,983,655,242.74/40,800.12
  6. Step 6: Final answer
    x = 48,618.86

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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.