Home / 85,002.38-127,508.12-25,833.54

Finding the Fourth Proportional to 85,002.38, 127,508.12 and 25,833.54

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Solution

The fourth proportional to 85,002.38, 127,508.12 and 25,833.54 is: 38,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002.38 : 127,508.12 = 25,833.54 : x
  2. Step 2: Convert to fraction form
    85,002.38/127,508.12 = 25,833.54/x
  3. Step 3: Cross multiply
    85,002.38x = 127,508.12 × 25,833.54
  4. Step 4: Simplify right side
    85,002.38x = 3,293,986,118.34
  5. Step 5: Solve for x
    x = 3,293,986,118.34/85,002.38
  6. Step 6: Final answer
    x = 38,751.69

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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.