Home / 77,788.48-116,677.08-30,394.66

Finding the Fourth Proportional to 77,788.48, 116,677.08 and 30,394.66

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Solution

The fourth proportional to 77,788.48, 116,677.08 and 30,394.66 is: 45,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,788.48 : 116,677.08 = 30,394.66 : x
  2. Step 2: Convert to fraction form
    77,788.48/116,677.08 = 30,394.66/x
  3. Step 3: Cross multiply
    77,788.48x = 116,677.08 × 30,394.66
  4. Step 4: Simplify right side
    77,788.48x = 3,546,360,176.39
  5. Step 5: Solve for x
    x = 3,546,360,176.39/77,788.48
  6. Step 6: Final answer
    x = 45,589.79

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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.