Home / 48,968.16-73,461.68-20,887.72

Finding the Fourth Proportional to 48,968.16, 73,461.68 and 20,887.72

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Solution

The fourth proportional to 48,968.16, 73,461.68 and 20,887.72 is: 31,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,968.16 : 73,461.68 = 20,887.72 : x
  2. Step 2: Convert to fraction form
    48,968.16/73,461.68 = 20,887.72/x
  3. Step 3: Cross multiply
    48,968.16x = 73,461.68 × 20,887.72
  4. Step 4: Simplify right side
    48,968.16x = 1,534,447,002.57
  5. Step 5: Solve for x
    x = 1,534,447,002.57/48,968.16
  6. Step 6: Final answer
    x = 31,335.61

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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.