Home / 104,711.29-157,066.21-42,380.89

Finding the Fourth Proportional to 104,711.29, 157,066.21 and 42,380.89

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Solution

The fourth proportional to 104,711.29, 157,066.21 and 42,380.89 is: 63,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,711.29 : 157,066.21 = 42,380.89 : x
  2. Step 2: Convert to fraction form
    104,711.29/157,066.21 = 42,380.89/x
  3. Step 3: Cross multiply
    104,711.29x = 157,066.21 × 42,380.89
  4. Step 4: Simplify right side
    104,711.29x = 6,656,605,768.73
  5. Step 5: Solve for x
    x = 6,656,605,768.73/104,711.29
  6. Step 6: Final answer
    x = 63,571.04

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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.