Home / 107,407.08-161,163.54-48,285.72

Finding the Fourth Proportional to 107,407.08, 161,163.54 and 48,285.72

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Solution

The fourth proportional to 107,407.08, 161,163.54 and 48,285.72 is: 72,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,407.08 : 161,163.54 = 48,285.72 : x
  2. Step 2: Convert to fraction form
    107,407.08/161,163.54 = 48,285.72/x
  3. Step 3: Cross multiply
    107,407.08x = 161,163.54 × 48,285.72
  4. Step 4: Simplify right side
    107,407.08x = 7,781,897,566.65
  5. Step 5: Solve for x
    x = 7,781,897,566.65/107,407.08
  6. Step 6: Final answer
    x = 72,452.37

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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.