Home / 71,210.28-106,821.09-41,631.15

Finding the Fourth Proportional to 71,210.28, 106,821.09 and 41,631.15

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Solution

The fourth proportional to 71,210.28, 106,821.09 and 41,631.15 is: 62,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,210.28 : 106,821.09 = 41,631.15 : x
  2. Step 2: Convert to fraction form
    71,210.28/106,821.09 = 41,631.15/x
  3. Step 3: Cross multiply
    71,210.28x = 106,821.09 × 41,631.15
  4. Step 4: Simplify right side
    71,210.28x = 4,447,084,820.95
  5. Step 5: Solve for x
    x = 4,447,084,820.95/71,210.28
  6. Step 6: Final answer
    x = 62,450.04

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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.