Home / 61,377.12-84,524.88-55,275.36

Finding the Fourth Proportional to 61,377.12, 84,524.88 and 55,275.36

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Solution

The fourth proportional to 61,377.12, 84,524.88 and 55,275.36 is: 76,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,377.12 : 84,524.88 = 55,275.36 : x
  2. Step 2: Convert to fraction form
    61,377.12/84,524.88 = 55,275.36/x
  3. Step 3: Cross multiply
    61,377.12x = 84,524.88 × 55,275.36
  4. Step 4: Simplify right side
    61,377.12x = 4,672,143,170.96
  5. Step 5: Solve for x
    x = 4,672,143,170.96/61,377.12
  6. Step 6: Final answer
    x = 76,121.90

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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.