Home / 67,021.29-92,496.75-38,343.61

Finding the Fourth Proportional to 67,021.29, 92,496.75 and 38,343.61

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Solution

The fourth proportional to 67,021.29, 92,496.75 and 38,343.61 is: 52,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.29 : 92,496.75 = 38,343.61 : x
  2. Step 2: Convert to fraction form
    67,021.29/92,496.75 = 38,343.61/x
  3. Step 3: Cross multiply
    67,021.29x = 92,496.75 × 38,343.61
  4. Step 4: Simplify right side
    67,021.29x = 3,546,659,308.27
  5. Step 5: Solve for x
    x = 3,546,659,308.27/67,021.29
  6. Step 6: Final answer
    x = 52,918.40

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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.