Home / 85,658.14-118,211.46-47,932.66

Finding the Fourth Proportional to 85,658.14, 118,211.46 and 47,932.66

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Solution

The fourth proportional to 85,658.14, 118,211.46 and 47,932.66 is: 66,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,658.14 : 118,211.46 = 47,932.66 : x
  2. Step 2: Convert to fraction form
    85,658.14/118,211.46 = 47,932.66/x
  3. Step 3: Cross multiply
    85,658.14x = 118,211.46 × 47,932.66
  4. Step 4: Simplify right side
    85,658.14x = 5,666,189,720.28
  5. Step 5: Solve for x
    x = 5,666,189,720.28/85,658.14
  6. Step 6: Final answer
    x = 66,148.88

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1.5x scale

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.