Home / 80,106.17-110,555.28-51,055.52

Finding the Fourth Proportional to 80,106.17, 110,555.28 and 51,055.52

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Solution

The fourth proportional to 80,106.17, 110,555.28 and 51,055.52 is: 70,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,106.17 : 110,555.28 = 51,055.52 : x
  2. Step 2: Convert to fraction form
    80,106.17/110,555.28 = 51,055.52/x
  3. Step 3: Cross multiply
    80,106.17x = 110,555.28 × 51,055.52
  4. Step 4: Simplify right side
    80,106.17x = 5,644,456,756.37
  5. Step 5: Solve for x
    x = 5,644,456,756.37/80,106.17
  6. Step 6: Final answer
    x = 70,462.20

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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.