Home / 77,380.92-115,997.76-24,756.48

Finding the Fourth Proportional to 77,380.92, 115,997.76 and 24,756.48

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Solution

The fourth proportional to 77,380.92, 115,997.76 and 24,756.48 is: 37,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,380.92 : 115,997.76 = 24,756.48 : x
  2. Step 2: Convert to fraction form
    77,380.92/115,997.76 = 24,756.48/x
  3. Step 3: Cross multiply
    77,380.92x = 115,997.76 × 24,756.48
  4. Step 4: Simplify right side
    77,380.92x = 2,871,696,225.48
  5. Step 5: Solve for x
    x = 2,871,696,225.48/77,380.92
  6. Step 6: Final answer
    x = 37,111.17

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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.