Home / 87,952.03-121,307.38-55,255.95

Finding the Fourth Proportional to 87,952.03, 121,307.38 and 55,255.95

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Solution

The fourth proportional to 87,952.03, 121,307.38 and 55,255.95 is: 76,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,952.03 : 121,307.38 = 55,255.95 : x
  2. Step 2: Convert to fraction form
    87,952.03/121,307.38 = 55,255.95/x
  3. Step 3: Cross multiply
    87,952.03x = 121,307.38 × 55,255.95
  4. Step 4: Simplify right side
    87,952.03x = 6,702,954,523.91
  5. Step 5: Solve for x
    x = 6,702,954,523.91/87,952.03
  6. Step 6: Final answer
    x = 76,211.48

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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.