Home / 107,739.06-161,608.40-48,505.52

Finding the Fourth Proportional to 107,739.06, 161,608.40 and 48,505.52

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Solution

The fourth proportional to 107,739.06, 161,608.40 and 48,505.52 is: 72,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.06 : 161,608.40 = 48,505.52 : x
  2. Step 2: Convert to fraction form
    107,739.06/161,608.40 = 48,505.52/x
  3. Step 3: Cross multiply
    107,739.06x = 161,608.40 × 48,505.52
  4. Step 4: Simplify right side
    107,739.06x = 7,838,899,478.37
  5. Step 5: Solve for x
    x = 7,838,899,478.37/107,739.06
  6. Step 6: Final answer
    x = 72,758.19

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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.