Home / 73,130.13-109,695.20-25,734.06

Finding the Fourth Proportional to 73,130.13, 109,695.20 and 25,734.06

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Solution

The fourth proportional to 73,130.13, 109,695.20 and 25,734.06 is: 38,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,130.13 : 109,695.20 = 25,734.06 : x
  2. Step 2: Convert to fraction form
    73,130.13/109,695.20 = 25,734.06/x
  3. Step 3: Cross multiply
    73,130.13x = 109,695.20 × 25,734.06
  4. Step 4: Simplify right side
    73,130.13x = 2,822,902,729.84
  5. Step 5: Solve for x
    x = 2,822,902,729.84/73,130.13
  6. Step 6: Final answer
    x = 38,601.09

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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.