Home / 86,418.56-119,256.90-48,177.66

Finding the Fourth Proportional to 86,418.56, 119,256.90 and 48,177.66

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Solution

The fourth proportional to 86,418.56, 119,256.90 and 48,177.66 is: 66,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,418.56 : 119,256.90 = 48,177.66 : x
  2. Step 2: Convert to fraction form
    86,418.56/119,256.90 = 48,177.66/x
  3. Step 3: Cross multiply
    86,418.56x = 119,256.90 × 48,177.66
  4. Step 4: Simplify right side
    86,418.56x = 5,745,518,380.85
  5. Step 5: Solve for x
    x = 5,745,518,380.85/86,418.56
  6. Step 6: Final answer
    x = 66,484.77

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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.