Home / 106,539.38-147,032.66-61,233.18

Finding the Fourth Proportional to 106,539.38, 147,032.66 and 61,233.18

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Solution

The fourth proportional to 106,539.38, 147,032.66 and 61,233.18 is: 84,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,539.38 : 147,032.66 = 61,233.18 : x
  2. Step 2: Convert to fraction form
    106,539.38/147,032.66 = 61,233.18/x
  3. Step 3: Cross multiply
    106,539.38x = 147,032.66 × 61,233.18
  4. Step 4: Simplify right side
    106,539.38x = 9,003,277,335.66
  5. Step 5: Solve for x
    x = 9,003,277,335.66/106,539.38
  6. Step 6: Final answer
    x = 84,506.57

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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.