Home / 106,729.22-147,292.02-61,414.10

Finding the Fourth Proportional to 106,729.22, 147,292.02 and 61,414.10

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Solution

The fourth proportional to 106,729.22, 147,292.02 and 61,414.10 is: 84,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,729.22 : 147,292.02 = 61,414.10 : x
  2. Step 2: Convert to fraction form
    106,729.22/147,292.02 = 61,414.10/x
  3. Step 3: Cross multiply
    106,729.22x = 147,292.02 × 61,414.10
  4. Step 4: Simplify right side
    106,729.22x = 9,045,806,845.48
  5. Step 5: Solve for x
    x = 9,045,806,845.48/106,729.22
  6. Step 6: Final answer
    x = 84,754.74

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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.