Home / 108,209.81-149,326.76-60,463.55

Finding the Fourth Proportional to 108,209.81, 149,326.76 and 60,463.55

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Solution

The fourth proportional to 108,209.81, 149,326.76 and 60,463.55 is: 83,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.81 : 149,326.76 = 60,463.55 : x
  2. Step 2: Convert to fraction form
    108,209.81/149,326.76 = 60,463.55/x
  3. Step 3: Cross multiply
    108,209.81x = 149,326.76 × 60,463.55
  4. Step 4: Simplify right side
    108,209.81x = 9,028,826,203.97
  5. Step 5: Solve for x
    x = 9,028,826,203.97/108,209.81
  6. Step 6: Final answer
    x = 83,438.15

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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.