Home / 85,042.11-127,641.98-42,951.75

Finding the Fourth Proportional to 85,042.11, 127,641.98 and 42,951.75

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Solution

The fourth proportional to 85,042.11, 127,641.98 and 42,951.75 is: 64,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,042.11 : 127,641.98 = 42,951.75 : x
  2. Step 2: Convert to fraction form
    85,042.11/127,641.98 = 42,951.75/x
  3. Step 3: Cross multiply
    85,042.11x = 127,641.98 × 42,951.75
  4. Step 4: Simplify right side
    85,042.11x = 5,482,446,222.68
  5. Step 5: Solve for x
    x = 5,482,446,222.68/85,042.11
  6. Step 6: Final answer
    x = 64,467.43

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1.5x scale

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.