Home / 81,229.92-121,848.06-25,065.02

Finding the Fourth Proportional to 81,229.92, 121,848.06 and 25,065.02

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Solution

The fourth proportional to 81,229.92, 121,848.06 and 25,065.02 is: 37,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,229.92 : 121,848.06 = 25,065.02 : x
  2. Step 2: Convert to fraction form
    81,229.92/121,848.06 = 25,065.02/x
  3. Step 3: Cross multiply
    81,229.92x = 121,848.06 × 25,065.02
  4. Step 4: Simplify right side
    81,229.92x = 3,054,124,060.86
  5. Step 5: Solve for x
    x = 3,054,124,060.86/81,229.92
  6. Step 6: Final answer
    x = 37,598.51

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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.