Home / 62,115.52-85,675.88-38,255.34

Finding the Fourth Proportional to 62,115.52, 85,675.88 and 38,255.34

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Solution

The fourth proportional to 62,115.52, 85,675.88 and 38,255.34 is: 52,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,115.52 : 85,675.88 = 38,255.34 : x
  2. Step 2: Convert to fraction form
    62,115.52/85,675.88 = 38,255.34/x
  3. Step 3: Cross multiply
    62,115.52x = 85,675.88 × 38,255.34
  4. Step 4: Simplify right side
    62,115.52x = 3,277,559,919.20
  5. Step 5: Solve for x
    x = 3,277,559,919.20/62,115.52
  6. Step 6: Final answer
    x = 52,765.56

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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.