Home / 61,608.11-85,032.45-38,932.70

Finding the Fourth Proportional to 61,608.11, 85,032.45 and 38,932.70

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Solution

The fourth proportional to 61,608.11, 85,032.45 and 38,932.70 is: 53,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.11 : 85,032.45 = 38,932.70 : x
  2. Step 2: Convert to fraction form
    61,608.11/85,032.45 = 38,932.70/x
  3. Step 3: Cross multiply
    61,608.11x = 85,032.45 × 38,932.70
  4. Step 4: Simplify right side
    61,608.11x = 3,310,542,440.95
  5. Step 5: Solve for x
    x = 3,310,542,440.95/61,608.11
  6. Step 6: Final answer
    x = 53,735.50

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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.