Home / 76,876.10-115,326.03-32,503.04

Finding the Fourth Proportional to 76,876.10, 115,326.03 and 32,503.04

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Solution

The fourth proportional to 76,876.10, 115,326.03 and 32,503.04 is: 48,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,876.10 : 115,326.03 = 32,503.04 : x
  2. Step 2: Convert to fraction form
    76,876.10/115,326.03 = 32,503.04/x
  3. Step 3: Cross multiply
    76,876.10x = 115,326.03 × 32,503.04
  4. Step 4: Simplify right side
    76,876.10x = 3,748,446,566.13
  5. Step 5: Solve for x
    x = 3,748,446,566.13/76,876.10
  6. Step 6: Final answer
    x = 48,759.58

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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.