Home / 75,401.68-113,102.45-19,241.79

Finding the Fourth Proportional to 75,401.68, 113,102.45 and 19,241.79

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Solution

The fourth proportional to 75,401.68, 113,102.45 and 19,241.79 is: 28,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.68 : 113,102.45 = 19,241.79 : x
  2. Step 2: Convert to fraction form
    75,401.68/113,102.45 = 19,241.79/x
  3. Step 3: Cross multiply
    75,401.68x = 113,102.45 × 19,241.79
  4. Step 4: Simplify right side
    75,401.68x = 2,176,293,639.49
  5. Step 5: Solve for x
    x = 2,176,293,639.49/75,401.68
  6. Step 6: Final answer
    x = 28,862.67

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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.