Home / 107,409.08-161,166.56-48,287.72

Finding the Fourth Proportional to 107,409.08, 161,166.56 and 48,287.72

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Solution

The fourth proportional to 107,409.08, 161,166.56 and 48,287.72 is: 72,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,409.08 : 161,166.56 = 48,287.72 : x
  2. Step 2: Convert to fraction form
    107,409.08/161,166.56 = 48,287.72/x
  3. Step 3: Cross multiply
    107,409.08x = 161,166.56 × 48,287.72
  4. Step 4: Simplify right side
    107,409.08x = 7,782,365,722.64
  5. Step 5: Solve for x
    x = 7,782,365,722.64/107,409.08
  6. Step 6: Final answer
    x = 72,455.38

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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.