Home / 65,904.30-98,856.45-18,519.30

Finding the Fourth Proportional to 65,904.30, 98,856.45 and 18,519.30

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Solution

The fourth proportional to 65,904.30, 98,856.45 and 18,519.30 is: 27,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.30 : 98,856.45 = 18,519.30 : x
  2. Step 2: Convert to fraction form
    65,904.30/98,856.45 = 18,519.30/x
  3. Step 3: Cross multiply
    65,904.30x = 98,856.45 × 18,519.30
  4. Step 4: Simplify right side
    65,904.30x = 1,830,752,254.49
  5. Step 5: Solve for x
    x = 1,830,752,254.49/65,904.30
  6. Step 6: Final answer
    x = 27,778.95

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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.