Home / 79,648.80-119,349.04-29,715.36

Finding the Fourth Proportional to 79,648.80, 119,349.04 and 29,715.36

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Solution

The fourth proportional to 79,648.80, 119,349.04 and 29,715.36 is: 44,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,648.80 : 119,349.04 = 29,715.36 : x
  2. Step 2: Convert to fraction form
    79,648.80/119,349.04 = 29,715.36/x
  3. Step 3: Cross multiply
    79,648.80x = 119,349.04 × 29,715.36
  4. Step 4: Simplify right side
    79,648.80x = 3,546,499,689.25
  5. Step 5: Solve for x
    x = 3,546,499,689.25/79,648.80
  6. Step 6: Final answer
    x = 44,526.72

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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.