Home / 79,981.56-110,377.08-44,172.72

Finding the Fourth Proportional to 79,981.56, 110,377.08 and 44,172.72

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Solution

The fourth proportional to 79,981.56, 110,377.08 and 44,172.72 is: 60,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,981.56 : 110,377.08 = 44,172.72 : x
  2. Step 2: Convert to fraction form
    79,981.56/110,377.08 = 44,172.72/x
  3. Step 3: Cross multiply
    79,981.56x = 110,377.08 × 44,172.72
  4. Step 4: Simplify right side
    79,981.56x = 4,875,655,849.26
  5. Step 5: Solve for x
    x = 4,875,655,849.26/79,981.56
  6. Step 6: Final answer
    x = 60,959.75

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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.