Home / 75,203.38-103,780.66-44,989.97

Finding the Fourth Proportional to 75,203.38, 103,780.66 and 44,989.97

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Solution

The fourth proportional to 75,203.38, 103,780.66 and 44,989.97 is: 62,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,203.38 : 103,780.66 = 44,989.97 : x
  2. Step 2: Convert to fraction form
    75,203.38/103,780.66 = 44,989.97/x
  3. Step 3: Cross multiply
    75,203.38x = 103,780.66 × 44,989.97
  4. Step 4: Simplify right side
    75,203.38x = 4,669,088,779.98
  5. Step 5: Solve for x
    x = 4,669,088,779.98/75,203.38
  6. Step 6: Final answer
    x = 62,086.16

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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.