Home / 67,209.47-92,738.21-38,523.85

Finding the Fourth Proportional to 67,209.47, 92,738.21 and 38,523.85

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Solution

The fourth proportional to 67,209.47, 92,738.21 and 38,523.85 is: 53,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,209.47 : 92,738.21 = 38,523.85 : x
  2. Step 2: Convert to fraction form
    67,209.47/92,738.21 = 38,523.85/x
  3. Step 3: Cross multiply
    67,209.47x = 92,738.21 × 38,523.85
  4. Step 4: Simplify right side
    67,209.47x = 3,572,633,032.53
  5. Step 5: Solve for x
    x = 3,572,633,032.53/67,209.47
  6. Step 6: Final answer
    x = 53,156.69

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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.