Home / 77,351.68-106,707.36-50,481.76

Finding the Fourth Proportional to 77,351.68, 106,707.36 and 50,481.76

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Solution

The fourth proportional to 77,351.68, 106,707.36 and 50,481.76 is: 69,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,351.68 : 106,707.36 = 50,481.76 : x
  2. Step 2: Convert to fraction form
    77,351.68/106,707.36 = 50,481.76/x
  3. Step 3: Cross multiply
    77,351.68x = 106,707.36 × 50,481.76
  4. Step 4: Simplify right side
    77,351.68x = 5,386,775,337.75
  5. Step 5: Solve for x
    x = 5,386,775,337.75/77,351.68
  6. Step 6: Final answer
    x = 69,640.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.