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Finding the Fourth Proportional to 65,848.64, 98,775.38 and 30,778.88

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Solution

The fourth proportional to 65,848.64, 98,775.38 and 30,778.88 is: 46,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,848.64 : 98,775.38 = 30,778.88 : x
  2. Step 2: Convert to fraction form
    65,848.64/98,775.38 = 30,778.88/x
  3. Step 3: Cross multiply
    65,848.64x = 98,775.38 × 30,778.88
  4. Step 4: Simplify right side
    65,848.64x = 3,040,195,151.04
  5. Step 5: Solve for x
    x = 3,040,195,151.04/65,848.64
  6. Step 6: Final answer
    x = 46,169.45

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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.