Home / 77,158.26-115,774.92-35,065.80

Finding the Fourth Proportional to 77,158.26, 115,774.92 and 35,065.80

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Solution

The fourth proportional to 77,158.26, 115,774.92 and 35,065.80 is: 52,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,158.26 : 115,774.92 = 35,065.80 : x
  2. Step 2: Convert to fraction form
    77,158.26/115,774.92 = 35,065.80/x
  3. Step 3: Cross multiply
    77,158.26x = 115,774.92 × 35,065.80
  4. Step 4: Simplify right side
    77,158.26x = 4,059,740,189.74
  5. Step 5: Solve for x
    x = 4,059,740,189.74/77,158.26
  6. Step 6: Final answer
    x = 52,615.76

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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.