Home / 75,134.04-103,687.46-41,143.96

Finding the Fourth Proportional to 75,134.04, 103,687.46 and 41,143.96

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Solution

The fourth proportional to 75,134.04, 103,687.46 and 41,143.96 is: 56,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.04 : 103,687.46 = 41,143.96 : x
  2. Step 2: Convert to fraction form
    75,134.04/103,687.46 = 41,143.96/x
  3. Step 3: Cross multiply
    75,134.04x = 103,687.46 × 41,143.96
  4. Step 4: Simplify right side
    75,134.04x = 4,266,112,706.74
  5. Step 5: Solve for x
    x = 4,266,112,706.74/75,134.04
  6. Step 6: Final answer
    x = 56,780.03

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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.