Home / 94,062.16-129,806.82-51,619.78

Finding the Fourth Proportional to 94,062.16, 129,806.82 and 51,619.78

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Solution

The fourth proportional to 94,062.16, 129,806.82 and 51,619.78 is: 71,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,062.16 : 129,806.82 = 51,619.78 : x
  2. Step 2: Convert to fraction form
    94,062.16/129,806.82 = 51,619.78/x
  3. Step 3: Cross multiply
    94,062.16x = 129,806.82 × 51,619.78
  4. Step 4: Simplify right side
    94,062.16x = 6,700,599,490.90
  5. Step 5: Solve for x
    x = 6,700,599,490.90/94,062.16
  6. Step 6: Final answer
    x = 71,235.87

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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.