Home / 69,260.42-95,740.77-61,780.88

Finding the Fourth Proportional to 69,260.42, 95,740.77 and 61,780.88

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Solution

The fourth proportional to 69,260.42, 95,740.77 and 61,780.88 is: 85,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,260.42 : 95,740.77 = 61,780.88 : x
  2. Step 2: Convert to fraction form
    69,260.42/95,740.77 = 61,780.88/x
  3. Step 3: Cross multiply
    69,260.42x = 95,740.77 × 61,780.88
  4. Step 4: Simplify right side
    69,260.42x = 5,914,948,543.77
  5. Step 5: Solve for x
    x = 5,914,948,543.77/69,260.42
  6. Step 6: Final answer
    x = 85,401.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.