Home / 107,403.18-161,148.21-48,197.58

Finding the Fourth Proportional to 107,403.18, 161,148.21 and 48,197.58

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Solution

The fourth proportional to 107,403.18, 161,148.21 and 48,197.58 is: 72,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,403.18 : 161,148.21 = 48,197.58 : x
  2. Step 2: Convert to fraction form
    107,403.18/161,148.21 = 48,197.58/x
  3. Step 3: Cross multiply
    107,403.18x = 161,148.21 × 48,197.58
  4. Step 4: Simplify right side
    107,403.18x = 7,766,953,743.33
  5. Step 5: Solve for x
    x = 7,766,953,743.33/107,403.18
  6. Step 6: Final answer
    x = 72,315.86

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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.