Home / 82,261.80-123,405.66-29,684.16

Finding the Fourth Proportional to 82,261.80, 123,405.66 and 29,684.16

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Solution

The fourth proportional to 82,261.80, 123,405.66 and 29,684.16 is: 44,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261.80 : 123,405.66 = 29,684.16 : x
  2. Step 2: Convert to fraction form
    82,261.80/123,405.66 = 29,684.16/x
  3. Step 3: Cross multiply
    82,261.80x = 123,405.66 × 29,684.16
  4. Step 4: Simplify right side
    82,261.80x = 3,663,193,356.35
  5. Step 5: Solve for x
    x = 3,663,193,356.35/82,261.80
  6. Step 6: Final answer
    x = 44,530.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.