Home / 87,168.79-120,283-48,923.16

Finding the Fourth Proportional to 87,168.79, 120,283 and 48,923.16

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Solution

The fourth proportional to 87,168.79, 120,283 and 48,923.16 is: 67,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,168.79 : 120,283 = 48,923.16 : x
  2. Step 2: Convert to fraction form
    87,168.79/120,283 = 48,923.16/x
  3. Step 3: Cross multiply
    87,168.79x = 120,283 × 48,923.16
  4. Step 4: Simplify right side
    87,168.79x = 5,884,624,454.28
  5. Step 5: Solve for x
    x = 5,884,624,454.28/87,168.79
  6. Step 6: Final answer
    x = 67,508.39

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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.