Home / 114,747.90-158,428.34-71,792.11

Finding the Fourth Proportional to 114,747.90, 158,428.34 and 71,792.11

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Solution

The fourth proportional to 114,747.90, 158,428.34 and 71,792.11 is: 99,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,747.90 : 158,428.34 = 71,792.11 : x
  2. Step 2: Convert to fraction form
    114,747.90/158,428.34 = 71,792.11/x
  3. Step 3: Cross multiply
    114,747.90x = 158,428.34 × 71,792.11
  4. Step 4: Simplify right side
    114,747.90x = 11,373,904,812.40
  5. Step 5: Solve for x
    x = 11,373,904,812.40/114,747.90
  6. Step 6: Final answer
    x = 99,120.81

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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.