Home / 77,942.75-116,867.28-30,501.26

Finding the Fourth Proportional to 77,942.75, 116,867.28 and 30,501.26

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Solution

The fourth proportional to 77,942.75, 116,867.28 and 30,501.26 is: 45,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,942.75 : 116,867.28 = 30,501.26 : x
  2. Step 2: Convert to fraction form
    77,942.75/116,867.28 = 30,501.26/x
  3. Step 3: Cross multiply
    77,942.75x = 116,867.28 × 30,501.26
  4. Step 4: Simplify right side
    77,942.75x = 3,564,598,708.44
  5. Step 5: Solve for x
    x = 3,564,598,708.44/77,942.75
  6. Step 6: Final answer
    x = 45,733.55

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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.