Home / 106,922.88-147,540.63-61,615.71

Finding the Fourth Proportional to 106,922.88, 147,540.63 and 61,615.71

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Solution

The fourth proportional to 106,922.88, 147,540.63 and 61,615.71 is: 85,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,922.88 : 147,540.63 = 61,615.71 : x
  2. Step 2: Convert to fraction form
    106,922.88/147,540.63 = 61,615.71/x
  3. Step 3: Cross multiply
    106,922.88x = 147,540.63 × 61,615.71
  4. Step 4: Simplify right side
    106,922.88x = 9,090,820,671.30
  5. Step 5: Solve for x
    x = 9,090,820,671.30/106,922.88
  6. Step 6: Final answer
    x = 85,022.22

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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.