Home / 92,131.18-137,975.31-52,568.35

Finding the Fourth Proportional to 92,131.18, 137,975.31 and 52,568.35

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Solution

The fourth proportional to 92,131.18, 137,975.31 and 52,568.35 is: 78,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,131.18 : 137,975.31 = 52,568.35 : x
  2. Step 2: Convert to fraction form
    92,131.18/137,975.31 = 52,568.35/x
  3. Step 3: Cross multiply
    92,131.18x = 137,975.31 × 52,568.35
  4. Step 4: Simplify right side
    92,131.18x = 7,253,134,042.50
  5. Step 5: Solve for x
    x = 7,253,134,042.50/92,131.18
  6. Step 6: Final answer
    x = 78,726.16

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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.