Home / 81,426.92-112,369.19-49,595.85

Finding the Fourth Proportional to 81,426.92, 112,369.19 and 49,595.85

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Solution

The fourth proportional to 81,426.92, 112,369.19 and 49,595.85 is: 68,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,426.92 : 112,369.19 = 49,595.85 : x
  2. Step 2: Convert to fraction form
    81,426.92/112,369.19 = 49,595.85/x
  3. Step 3: Cross multiply
    81,426.92x = 112,369.19 × 49,595.85
  4. Step 4: Simplify right side
    81,426.92x = 5,573,045,243.88
  5. Step 5: Solve for x
    x = 5,573,045,243.88/81,426.92
  6. Step 6: Final answer
    x = 68,442.30

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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.