Home / 48,849.64-67,408.68-28,707.28

Finding the Fourth Proportional to 48,849.64, 67,408.68 and 28,707.28

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Solution

The fourth proportional to 48,849.64, 67,408.68 and 28,707.28 is: 39,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.64 : 67,408.68 = 28,707.28 : x
  2. Step 2: Convert to fraction form
    48,849.64/67,408.68 = 28,707.28/x
  3. Step 3: Cross multiply
    48,849.64x = 67,408.68 × 28,707.28
  4. Step 4: Simplify right side
    48,849.64x = 1,935,119,851.19
  5. Step 5: Solve for x
    x = 1,935,119,851.19/48,849.64
  6. Step 6: Final answer
    x = 39,613.80

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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.