Home / 87,253.07-120,416.04-49,015.17

Finding the Fourth Proportional to 87,253.07, 120,416.04 and 49,015.17

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Solution

The fourth proportional to 87,253.07, 120,416.04 and 49,015.17 is: 67,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,253.07 : 120,416.04 = 49,015.17 : x
  2. Step 2: Convert to fraction form
    87,253.07/120,416.04 = 49,015.17/x
  3. Step 3: Cross multiply
    87,253.07x = 120,416.04 × 49,015.17
  4. Step 4: Simplify right side
    87,253.07x = 5,902,212,671.33
  5. Step 5: Solve for x
    x = 5,902,212,671.33/87,253.07
  6. Step 6: Final answer
    x = 67,644.76

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1.5x scale

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.