Home / 86,255.68-129,452.80-44,714.56

Finding the Fourth Proportional to 86,255.68, 129,452.80 and 44,714.56

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Solution

The fourth proportional to 86,255.68, 129,452.80 and 44,714.56 is: 67,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,255.68 : 129,452.80 = 44,714.56 : x
  2. Step 2: Convert to fraction form
    86,255.68/129,452.80 = 44,714.56/x
  3. Step 3: Cross multiply
    86,255.68x = 129,452.80 × 44,714.56
  4. Step 4: Simplify right side
    86,255.68x = 5,788,424,992.77
  5. Step 5: Solve for x
    x = 5,788,424,992.77/86,255.68
  6. Step 6: Final answer
    x = 67,107.75

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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.