Home / 113,167.35-169,751.09-42,080.75

Finding the Fourth Proportional to 113,167.35, 169,751.09 and 42,080.75

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Solution

The fourth proportional to 113,167.35, 169,751.09 and 42,080.75 is: 63,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,167.35 : 169,751.09 = 42,080.75 : x
  2. Step 2: Convert to fraction form
    113,167.35/169,751.09 = 42,080.75/x
  3. Step 3: Cross multiply
    113,167.35x = 169,751.09 × 42,080.75
  4. Step 4: Simplify right side
    113,167.35x = 7,143,253,657.50
  5. Step 5: Solve for x
    x = 7,143,253,657.50/113,167.35
  6. Step 6: Final answer
    x = 63,121.15

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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.