Home / 77,358.48-116,052.30-55,116.69

Finding the Fourth Proportional to 77,358.48, 116,052.30 and 55,116.69

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Solution

The fourth proportional to 77,358.48, 116,052.30 and 55,116.69 is: 82,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,358.48 : 116,052.30 = 55,116.69 : x
  2. Step 2: Convert to fraction form
    77,358.48/116,052.30 = 55,116.69/x
  3. Step 3: Cross multiply
    77,358.48x = 116,052.30 × 55,116.69
  4. Step 4: Simplify right side
    77,358.48x = 6,396,418,642.89
  5. Step 5: Solve for x
    x = 6,396,418,642.89/77,358.48
  6. Step 6: Final answer
    x = 82,685.42

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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.