Home / 66,829.11-100,242.50-26,865.69

Finding the Fourth Proportional to 66,829.11, 100,242.50 and 26,865.69

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Solution

The fourth proportional to 66,829.11, 100,242.50 and 26,865.69 is: 40,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829.11 : 100,242.50 = 26,865.69 : x
  2. Step 2: Convert to fraction form
    66,829.11/100,242.50 = 26,865.69/x
  3. Step 3: Cross multiply
    66,829.11x = 100,242.50 × 26,865.69
  4. Step 4: Simplify right side
    66,829.11x = 2,693,083,795.50
  5. Step 5: Solve for x
    x = 2,693,083,795.50/66,829.11
  6. Step 6: Final answer
    x = 40,298.06

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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.