Home / 83,436.51-125,171.10-36,689.25

Finding the Fourth Proportional to 83,436.51, 125,171.10 and 36,689.25

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Solution

The fourth proportional to 83,436.51, 125,171.10 and 36,689.25 is: 55,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,436.51 : 125,171.10 = 36,689.25 : x
  2. Step 2: Convert to fraction form
    83,436.51/125,171.10 = 36,689.25/x
  3. Step 3: Cross multiply
    83,436.51x = 125,171.10 × 36,689.25
  4. Step 4: Simplify right side
    83,436.51x = 4,592,433,780.68
  5. Step 5: Solve for x
    x = 4,592,433,780.68/83,436.51
  6. Step 6: Final answer
    x = 55,041.06

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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.