Home / 75,632.04-104,372.18-42,105.96

Finding the Fourth Proportional to 75,632.04, 104,372.18 and 42,105.96

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Solution

The fourth proportional to 75,632.04, 104,372.18 and 42,105.96 is: 58,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,632.04 : 104,372.18 = 42,105.96 : x
  2. Step 2: Convert to fraction form
    75,632.04/104,372.18 = 42,105.96/x
  3. Step 3: Cross multiply
    75,632.04x = 104,372.18 × 42,105.96
  4. Step 4: Simplify right side
    75,632.04x = 4,394,690,836.19
  5. Step 5: Solve for x
    x = 4,394,690,836.19/75,632.04
  6. Step 6: Final answer
    x = 58,106.21

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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.