Home / 79,821.12-119,727.36-24,417.12

Finding the Fourth Proportional to 79,821.12, 119,727.36 and 24,417.12

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Solution

The fourth proportional to 79,821.12, 119,727.36 and 24,417.12 is: 36,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,821.12 : 119,727.36 = 24,417.12 : x
  2. Step 2: Convert to fraction form
    79,821.12/119,727.36 = 24,417.12/x
  3. Step 3: Cross multiply
    79,821.12x = 119,727.36 × 24,417.12
  4. Step 4: Simplify right side
    79,821.12x = 2,923,397,316.40
  5. Step 5: Solve for x
    x = 2,923,397,316.40/79,821.12
  6. Step 6: Final answer
    x = 36,624.36

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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.