Home / 82,872.48-124,317.89-29,576.88

Finding the Fourth Proportional to 82,872.48, 124,317.89 and 29,576.88

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Solution

The fourth proportional to 82,872.48, 124,317.89 and 29,576.88 is: 44,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872.48 : 124,317.89 = 29,576.88 : x
  2. Step 2: Convert to fraction form
    82,872.48/124,317.89 = 29,576.88/x
  3. Step 3: Cross multiply
    82,872.48x = 124,317.89 × 29,576.88
  4. Step 4: Simplify right side
    82,872.48x = 3,676,935,699.12
  5. Step 5: Solve for x
    x = 3,676,935,699.12/82,872.48
  6. Step 6: Final answer
    x = 44,368.60

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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.