Home / 107,958.60-161,937.90-37,828.80

Finding the Fourth Proportional to 107,958.60, 161,937.90 and 37,828.80

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Solution

The fourth proportional to 107,958.60, 161,937.90 and 37,828.80 is: 56,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958.60 : 161,937.90 = 37,828.80 : x
  2. Step 2: Convert to fraction form
    107,958.60/161,937.90 = 37,828.80/x
  3. Step 3: Cross multiply
    107,958.60x = 161,937.90 × 37,828.80
  4. Step 4: Simplify right side
    107,958.60x = 6,125,916,431.52
  5. Step 5: Solve for x
    x = 6,125,916,431.52/107,958.60
  6. Step 6: Final answer
    x = 56,743.20

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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.