Home / 77,717.74-116,559.20-30,334.10

Finding the Fourth Proportional to 77,717.74, 116,559.20 and 30,334.10

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Solution

The fourth proportional to 77,717.74, 116,559.20 and 30,334.10 is: 45,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,717.74 : 116,559.20 = 30,334.10 : x
  2. Step 2: Convert to fraction form
    77,717.74/116,559.20 = 30,334.10/x
  3. Step 3: Cross multiply
    77,717.74x = 116,559.20 × 30,334.10
  4. Step 4: Simplify right side
    77,717.74x = 3,535,718,428.72
  5. Step 5: Solve for x
    x = 3,535,718,428.72/77,717.74
  6. Step 6: Final answer
    x = 45,494.35

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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.