Home / 87,296.34-120,459.96-49,049.81

Finding the Fourth Proportional to 87,296.34, 120,459.96 and 49,049.81

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Solution

The fourth proportional to 87,296.34, 120,459.96 and 49,049.81 is: 67,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,296.34 : 120,459.96 = 49,049.81 : x
  2. Step 2: Convert to fraction form
    87,296.34/120,459.96 = 49,049.81/x
  3. Step 3: Cross multiply
    87,296.34x = 120,459.96 × 49,049.81
  4. Step 4: Simplify right side
    87,296.34x = 5,908,537,548.31
  5. Step 5: Solve for x
    x = 5,908,537,548.31/87,296.34
  6. Step 6: Final answer
    x = 67,683.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.