Home / 67,020.80-92,496.09-38,343.08

Finding the Fourth Proportional to 67,020.80, 92,496.09 and 38,343.08

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Solution

The fourth proportional to 67,020.80, 92,496.09 and 38,343.08 is: 52,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.80 : 92,496.09 = 38,343.08 : x
  2. Step 2: Convert to fraction form
    67,020.80/92,496.09 = 38,343.08/x
  3. Step 3: Cross multiply
    67,020.80x = 92,496.09 × 38,343.08
  4. Step 4: Simplify right side
    67,020.80x = 3,546,584,978.56
  5. Step 5: Solve for x
    x = 3,546,584,978.56/67,020.80
  6. Step 6: Final answer
    x = 52,917.68

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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.