Home / 52,197.10-72,032.20-28,323.78

Finding the Fourth Proportional to 52,197.10, 72,032.20 and 28,323.78

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Solution

The fourth proportional to 52,197.10, 72,032.20 and 28,323.78 is: 39,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.10 : 72,032.20 = 28,323.78 : x
  2. Step 2: Convert to fraction form
    52,197.10/72,032.20 = 28,323.78/x
  3. Step 3: Cross multiply
    52,197.10x = 72,032.20 × 28,323.78
  4. Step 4: Simplify right side
    52,197.10x = 2,040,223,884.62
  5. Step 5: Solve for x
    x = 2,040,223,884.62/52,197.10
  6. Step 6: Final answer
    x = 39,086.92

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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.