Home / 71,150.14-106,721.34-36,088.88

Finding the Fourth Proportional to 71,150.14, 106,721.34 and 36,088.88

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Solution

The fourth proportional to 71,150.14, 106,721.34 and 36,088.88 is: 54,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,150.14 : 106,721.34 = 36,088.88 : x
  2. Step 2: Convert to fraction form
    71,150.14/106,721.34 = 36,088.88/x
  3. Step 3: Cross multiply
    71,150.14x = 106,721.34 × 36,088.88
  4. Step 4: Simplify right side
    71,150.14x = 3,851,453,632.70
  5. Step 5: Solve for x
    x = 3,851,453,632.70/71,150.14
  6. Step 6: Final answer
    x = 54,131.36

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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.