Home / 76,454.24-114,675.69-32,079.20

Finding the Fourth Proportional to 76,454.24, 114,675.69 and 32,079.20

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Solution

The fourth proportional to 76,454.24, 114,675.69 and 32,079.20 is: 48,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,454.24 : 114,675.69 = 32,079.20 : x
  2. Step 2: Convert to fraction form
    76,454.24/114,675.69 = 32,079.20/x
  3. Step 3: Cross multiply
    76,454.24x = 114,675.69 × 32,079.20
  4. Step 4: Simplify right side
    76,454.24x = 3,678,704,394.65
  5. Step 5: Solve for x
    x = 3,678,704,394.65/76,454.24
  6. Step 6: Final answer
    x = 48,116.42

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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.