Home / 107,555.20-161,294.40-37,436.80

Finding the Fourth Proportional to 107,555.20, 161,294.40 and 37,436.80

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Solution

The fourth proportional to 107,555.20, 161,294.40 and 37,436.80 is: 56,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.20 : 161,294.40 = 37,436.80 : x
  2. Step 2: Convert to fraction form
    107,555.20/161,294.40 = 37,436.80/x
  3. Step 3: Cross multiply
    107,555.20x = 161,294.40 × 37,436.80
  4. Step 4: Simplify right side
    107,555.20x = 6,038,346,193.92
  5. Step 5: Solve for x
    x = 6,038,346,193.92/107,555.20
  6. Step 6: Final answer
    x = 56,141.83

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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.