Home / 102,121.74-140,907.16-59,672.06

Finding the Fourth Proportional to 102,121.74, 140,907.16 and 59,672.06

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Solution

The fourth proportional to 102,121.74, 140,907.16 and 59,672.06 is: 82,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,121.74 : 140,907.16 = 59,672.06 : x
  2. Step 2: Convert to fraction form
    102,121.74/140,907.16 = 59,672.06/x
  3. Step 3: Cross multiply
    102,121.74x = 140,907.16 × 59,672.06
  4. Step 4: Simplify right side
    102,121.74x = 8,408,220,505.95
  5. Step 5: Solve for x
    x = 8,408,220,505.95/102,121.74
  6. Step 6: Final answer
    x = 82,335.26

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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.