Home / 107,837.60-161,713.20-37,680.80

Finding the Fourth Proportional to 107,837.60, 161,713.20 and 37,680.80

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Solution

The fourth proportional to 107,837.60, 161,713.20 and 37,680.80 is: 56,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837.60 : 161,713.20 = 37,680.80 : x
  2. Step 2: Convert to fraction form
    107,837.60/161,713.20 = 37,680.80/x
  3. Step 3: Cross multiply
    107,837.60x = 161,713.20 × 37,680.80
  4. Step 4: Simplify right side
    107,837.60x = 6,093,482,746.56
  5. Step 5: Solve for x
    x = 6,093,482,746.56/107,837.60
  6. Step 6: Final answer
    x = 56,506.10

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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.