Home / 72,311.16-108,441.74-34,356.04

Finding the Fourth Proportional to 72,311.16, 108,441.74 and 34,356.04

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Solution

The fourth proportional to 72,311.16, 108,441.74 and 34,356.04 is: 51,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311.16 : 108,441.74 = 34,356.04 : x
  2. Step 2: Convert to fraction form
    72,311.16/108,441.74 = 34,356.04/x
  3. Step 3: Cross multiply
    72,311.16x = 108,441.74 × 34,356.04
  4. Step 4: Simplify right side
    72,311.16x = 3,725,628,757.11
  5. Step 5: Solve for x
    x = 3,725,628,757.11/72,311.16
  6. Step 6: Final answer
    x = 51,522.18

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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.