Home / 48,649.12-72,974.40-32,115.04

Finding the Fourth Proportional to 48,649.12, 72,974.40 and 32,115.04

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Solution

The fourth proportional to 48,649.12, 72,974.40 and 32,115.04 is: 48,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.12 : 72,974.40 = 32,115.04 : x
  2. Step 2: Convert to fraction form
    48,649.12/72,974.40 = 32,115.04/x
  3. Step 3: Cross multiply
    48,649.12x = 72,974.40 × 32,115.04
  4. Step 4: Simplify right side
    48,649.12x = 2,343,575,774.98
  5. Step 5: Solve for x
    x = 2,343,575,774.98/48,649.12
  6. Step 6: Final answer
    x = 48,173.04

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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.