Home / 69,522.22-103,779.82-61,114.78

Finding the Fourth Proportional to 69,522.22, 103,779.82 and 61,114.78

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Solution

The fourth proportional to 69,522.22, 103,779.82 and 61,114.78 is: 91,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,522.22 : 103,779.82 = 61,114.78 : x
  2. Step 2: Convert to fraction form
    69,522.22/103,779.82 = 61,114.78/x
  3. Step 3: Cross multiply
    69,522.22x = 103,779.82 × 61,114.78
  4. Step 4: Simplify right side
    69,522.22x = 6,342,480,867.74
  5. Step 5: Solve for x
    x = 6,342,480,867.74/69,522.22
  6. Step 6: Final answer
    x = 91,229.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.