Home / 85,342.44-117,774.18-49,535.40

Finding the Fourth Proportional to 85,342.44, 117,774.18 and 49,535.40

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Solution

The fourth proportional to 85,342.44, 117,774.18 and 49,535.40 is: 68,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,342.44 : 117,774.18 = 49,535.40 : x
  2. Step 2: Convert to fraction form
    85,342.44/117,774.18 = 49,535.40/x
  3. Step 3: Cross multiply
    85,342.44x = 117,774.18 × 49,535.40
  4. Step 4: Simplify right side
    85,342.44x = 5,833,991,115.97
  5. Step 5: Solve for x
    x = 5,833,991,115.97/85,342.44
  6. Step 6: Final answer
    x = 68,359.79

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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.