Home / 69,656.09-96,125.15-39,438.44

Finding the Fourth Proportional to 69,656.09, 96,125.15 and 39,438.44

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Solution

The fourth proportional to 69,656.09, 96,125.15 and 39,438.44 is: 54,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,656.09 : 96,125.15 = 39,438.44 : x
  2. Step 2: Convert to fraction form
    69,656.09/96,125.15 = 39,438.44/x
  3. Step 3: Cross multiply
    69,656.09x = 96,125.15 × 39,438.44
  4. Step 4: Simplify right side
    69,656.09x = 3,791,025,578.74
  5. Step 5: Solve for x
    x = 3,791,025,578.74/69,656.09
  6. Step 6: Final answer
    x = 54,424.90

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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.