Home / 75,401.93-113,102.82-19,242.04

Finding the Fourth Proportional to 75,401.93, 113,102.82 and 19,242.04

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Solution

The fourth proportional to 75,401.93, 113,102.82 and 19,242.04 is: 28,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.93 : 113,102.82 = 19,242.04 : x
  2. Step 2: Convert to fraction form
    75,401.93/113,102.82 = 19,242.04/x
  3. Step 3: Cross multiply
    75,401.93x = 113,102.82 × 19,242.04
  4. Step 4: Simplify right side
    75,401.93x = 2,176,328,986.55
  5. Step 5: Solve for x
    x = 2,176,328,986.55/75,401.93
  6. Step 6: Final answer
    x = 28,863.04

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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.