Home / 82,489.42-123,734.08-29,898.82

Finding the Fourth Proportional to 82,489.42, 123,734.08 and 29,898.82

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Solution

The fourth proportional to 82,489.42, 123,734.08 and 29,898.82 is: 44,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,489.42 : 123,734.08 = 29,898.82 : x
  2. Step 2: Convert to fraction form
    82,489.42/123,734.08 = 29,898.82/x
  3. Step 3: Cross multiply
    82,489.42x = 123,734.08 × 29,898.82
  4. Step 4: Simplify right side
    82,489.42x = 3,699,502,985.79
  5. Step 5: Solve for x
    x = 3,699,502,985.79/82,489.42
  6. Step 6: Final answer
    x = 44,848.21

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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.