Home / 89,744.69-123,848.51-49,459.92

Finding the Fourth Proportional to 89,744.69, 123,848.51 and 49,459.92

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Solution

The fourth proportional to 89,744.69, 123,848.51 and 49,459.92 is: 68,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.69 : 123,848.51 = 49,459.92 : x
  2. Step 2: Convert to fraction form
    89,744.69/123,848.51 = 49,459.92/x
  3. Step 3: Cross multiply
    89,744.69x = 123,848.51 × 49,459.92
  4. Step 4: Simplify right side
    89,744.69x = 6,125,537,396.72
  5. Step 5: Solve for x
    x = 6,125,537,396.72/89,744.69
  6. Step 6: Final answer
    x = 68,255.15

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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.