Home / 79,617.20-119,412.23-75,225.38

Finding the Fourth Proportional to 79,617.20, 119,412.23 and 75,225.38

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Solution

The fourth proportional to 79,617.20, 119,412.23 and 75,225.38 is: 112,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,617.20 : 119,412.23 = 75,225.38 : x
  2. Step 2: Convert to fraction form
    79,617.20/119,412.23 = 75,225.38/x
  3. Step 3: Cross multiply
    79,617.20x = 119,412.23 × 75,225.38
  4. Step 4: Simplify right side
    79,617.20x = 8,982,829,405.21
  5. Step 5: Solve for x
    x = 8,982,829,405.21/79,617.20
  6. Step 6: Final answer
    x = 112,825.24

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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.