Home / 86,397.57-129,513.06-44,297.42

Finding the Fourth Proportional to 86,397.57, 129,513.06 and 44,297.42

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Solution

The fourth proportional to 86,397.57, 129,513.06 and 44,297.42 is: 66,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,397.57 : 129,513.06 = 44,297.42 : x
  2. Step 2: Convert to fraction form
    86,397.57/129,513.06 = 44,297.42/x
  3. Step 3: Cross multiply
    86,397.57x = 129,513.06 × 44,297.42
  4. Step 4: Simplify right side
    86,397.57x = 5,737,093,766.74
  5. Step 5: Solve for x
    x = 5,737,093,766.74/86,397.57
  6. Step 6: Final answer
    x = 66,403.42

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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.