Home / 71,781.06-99,061.11-41,567.70

Finding the Fourth Proportional to 71,781.06, 99,061.11 and 41,567.70

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Solution

The fourth proportional to 71,781.06, 99,061.11 and 41,567.70 is: 57,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,781.06 : 99,061.11 = 41,567.70 : x
  2. Step 2: Convert to fraction form
    71,781.06/99,061.11 = 41,567.70/x
  3. Step 3: Cross multiply
    71,781.06x = 99,061.11 × 41,567.70
  4. Step 4: Simplify right side
    71,781.06x = 4,117,742,502.15
  5. Step 5: Solve for x
    x = 4,117,742,502.15/71,781.06
  6. Step 6: Final answer
    x = 57,365.31

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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.