Home / 67,923-93,733.92-38,115

Finding the Fourth Proportional to 67,923, 93,733.92 and 38,115

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Solution

The fourth proportional to 67,923, 93,733.92 and 38,115 is: 52,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,923 : 93,733.92 = 38,115 : x
  2. Step 2: Convert to fraction form
    67,923/93,733.92 = 38,115/x
  3. Step 3: Cross multiply
    67,923x = 93,733.92 × 38,115
  4. Step 4: Simplify right side
    67,923x = 3,572,668,360.80
  5. Step 5: Solve for x
    x = 3,572,668,360.80/67,923
  6. Step 6: Final answer
    x = 52,598.80

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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.