Home / 66,788.13-92,167.76-36,161.55

Finding the Fourth Proportional to 66,788.13, 92,167.76 and 36,161.55

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Solution

The fourth proportional to 66,788.13, 92,167.76 and 36,161.55 is: 49,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,788.13 : 92,167.76 = 36,161.55 : x
  2. Step 2: Convert to fraction form
    66,788.13/92,167.76 = 36,161.55/x
  3. Step 3: Cross multiply
    66,788.13x = 92,167.76 × 36,161.55
  4. Step 4: Simplify right side
    66,788.13x = 3,332,929,061.63
  5. Step 5: Solve for x
    x = 3,332,929,061.63/66,788.13
  6. Step 6: Final answer
    x = 49,903.02

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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.