Home / 113,343.62-169,904.49-42,214.04

Finding the Fourth Proportional to 113,343.62, 169,904.49 and 42,214.04

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Solution

The fourth proportional to 113,343.62, 169,904.49 and 42,214.04 is: 63,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,343.62 : 169,904.49 = 42,214.04 : x
  2. Step 2: Convert to fraction form
    113,343.62/169,904.49 = 42,214.04/x
  3. Step 3: Cross multiply
    113,343.62x = 169,904.49 × 42,214.04
  4. Step 4: Simplify right side
    113,343.62x = 7,172,354,937.04
  5. Step 5: Solve for x
    x = 7,172,354,937.04/113,343.62
  6. Step 6: Final answer
    x = 63,279.74

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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.