Home / 65,181.42-97,772.13-30,116.52

Finding the Fourth Proportional to 65,181.42, 97,772.13 and 30,116.52

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Solution

The fourth proportional to 65,181.42, 97,772.13 and 30,116.52 is: 45,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,181.42 : 97,772.13 = 30,116.52 : x
  2. Step 2: Convert to fraction form
    65,181.42/97,772.13 = 30,116.52/x
  3. Step 3: Cross multiply
    65,181.42x = 97,772.13 × 30,116.52
  4. Step 4: Simplify right side
    65,181.42x = 2,944,556,308.59
  5. Step 5: Solve for x
    x = 2,944,556,308.59/65,181.42
  6. Step 6: Final answer
    x = 45,174.78

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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.