Home / 102,081.06-140,862.24-94,557.78

Finding the Fourth Proportional to 102,081.06, 140,862.24 and 94,557.78

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Solution

The fourth proportional to 102,081.06, 140,862.24 and 94,557.78 is: 130,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,081.06 : 140,862.24 = 94,557.78 : x
  2. Step 2: Convert to fraction form
    102,081.06/140,862.24 = 94,557.78/x
  3. Step 3: Cross multiply
    102,081.06x = 140,862.24 × 94,557.78
  4. Step 4: Simplify right side
    102,081.06x = 13,319,620,700.23
  5. Step 5: Solve for x
    x = 13,319,620,700.23/102,081.06
  6. Step 6: Final answer
    x = 130,480.82

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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.