Home / 66,813.19-92,209.97-38,519.89

Finding the Fourth Proportional to 66,813.19, 92,209.97 and 38,519.89

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Solution

The fourth proportional to 66,813.19, 92,209.97 and 38,519.89 is: 53,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,813.19 : 92,209.97 = 38,519.89 : x
  2. Step 2: Convert to fraction form
    66,813.19/92,209.97 = 38,519.89/x
  3. Step 3: Cross multiply
    66,813.19x = 92,209.97 × 38,519.89
  4. Step 4: Simplify right side
    66,813.19x = 3,551,917,708.70
  5. Step 5: Solve for x
    x = 3,551,917,708.70/66,813.19
  6. Step 6: Final answer
    x = 53,161.92

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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.