Home / 50,402.88-75,419.76-47,699.23

Finding the Fourth Proportional to 50,402.88, 75,419.76 and 47,699.23

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Solution

The fourth proportional to 50,402.88, 75,419.76 and 47,699.23 is: 71,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,402.88 : 75,419.76 = 47,699.23 : x
  2. Step 2: Convert to fraction form
    50,402.88/75,419.76 = 47,699.23/x
  3. Step 3: Cross multiply
    50,402.88x = 75,419.76 × 47,699.23
  4. Step 4: Simplify right side
    50,402.88x = 3,597,464,478.78
  5. Step 5: Solve for x
    x = 3,597,464,478.78/50,402.88
  6. Step 6: Final answer
    x = 71,374.18

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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.