Home / 81,230.91-121,849.56-25,066.02

Finding the Fourth Proportional to 81,230.91, 121,849.56 and 25,066.02

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Solution

The fourth proportional to 81,230.91, 121,849.56 and 25,066.02 is: 37,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,230.91 : 121,849.56 = 25,066.02 : x
  2. Step 2: Convert to fraction form
    81,230.91/121,849.56 = 25,066.02/x
  3. Step 3: Cross multiply
    81,230.91x = 121,849.56 × 25,066.02
  4. Step 4: Simplify right side
    81,230.91x = 3,054,283,507.95
  5. Step 5: Solve for x
    x = 3,054,283,507.95/81,230.91
  6. Step 6: Final answer
    x = 37,600.02

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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.