Home / 85,083.39-127,615.41-22,758.75

Finding the Fourth Proportional to 85,083.39, 127,615.41 and 22,758.75

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Solution

The fourth proportional to 85,083.39, 127,615.41 and 22,758.75 is: 34,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.39 : 127,615.41 = 22,758.75 : x
  2. Step 2: Convert to fraction form
    85,083.39/127,615.41 = 22,758.75/x
  3. Step 3: Cross multiply
    85,083.39x = 127,615.41 × 22,758.75
  4. Step 4: Simplify right side
    85,083.39x = 2,904,367,212.34
  5. Step 5: Solve for x
    x = 2,904,367,212.34/85,083.39
  6. Step 6: Final answer
    x = 34,135.54

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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.