Home / 82,411.40-123,617.10-29,822.60

Finding the Fourth Proportional to 82,411.40, 123,617.10 and 29,822.60

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Solution

The fourth proportional to 82,411.40, 123,617.10 and 29,822.60 is: 44,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,411.40 : 123,617.10 = 29,822.60 : x
  2. Step 2: Convert to fraction form
    82,411.40/123,617.10 = 29,822.60/x
  3. Step 3: Cross multiply
    82,411.40x = 123,617.10 × 29,822.60
  4. Step 4: Simplify right side
    82,411.40x = 3,686,583,326.46
  5. Step 5: Solve for x
    x = 3,686,583,326.46/82,411.40
  6. Step 6: Final answer
    x = 44,733.90

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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.