Home / 79,981.76-110,380.10-44,172.36

Finding the Fourth Proportional to 79,981.76, 110,380.10 and 44,172.36

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Solution

The fourth proportional to 79,981.76, 110,380.10 and 44,172.36 is: 60,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,981.76 : 110,380.10 = 44,172.36 : x
  2. Step 2: Convert to fraction form
    79,981.76/110,380.10 = 44,172.36/x
  3. Step 3: Cross multiply
    79,981.76x = 110,380.10 × 44,172.36
  4. Step 4: Simplify right side
    79,981.76x = 4,875,749,293.17
  5. Step 5: Solve for x
    x = 4,875,749,293.17/79,981.76
  6. Step 6: Final answer
    x = 60,960.76

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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.