Home / 107,409.72-161,188.55-37,289.04

Finding the Fourth Proportional to 107,409.72, 161,188.55 and 37,289.04

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Solution

The fourth proportional to 107,409.72, 161,188.55 and 37,289.04 is: 55,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,409.72 : 161,188.55 = 37,289.04 : x
  2. Step 2: Convert to fraction form
    107,409.72/161,188.55 = 37,289.04/x
  3. Step 3: Cross multiply
    107,409.72x = 161,188.55 × 37,289.04
  4. Step 4: Simplify right side
    107,409.72x = 6,010,565,296.10
  5. Step 5: Solve for x
    x = 6,010,565,296.10/107,409.72
  6. Step 6: Final answer
    x = 55,959.23

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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.