Home / 77,744.89-116,612.59-45,741.71

Finding the Fourth Proportional to 77,744.89, 116,612.59 and 45,741.71

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Solution

The fourth proportional to 77,744.89, 116,612.59 and 45,741.71 is: 68,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744.89 : 116,612.59 = 45,741.71 : x
  2. Step 2: Convert to fraction form
    77,744.89/116,612.59 = 45,741.71/x
  3. Step 3: Cross multiply
    77,744.89x = 116,612.59 × 45,741.71
  4. Step 4: Simplify right side
    77,744.89x = 5,334,059,408.42
  5. Step 5: Solve for x
    x = 5,334,059,408.42/77,744.89
  6. Step 6: Final answer
    x = 68,609.78

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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.