Home / 87,664.07-120,920.31-60,796.77

Finding the Fourth Proportional to 87,664.07, 120,920.31 and 60,796.77

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Solution

The fourth proportional to 87,664.07, 120,920.31 and 60,796.77 is: 83,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664.07 : 120,920.31 = 60,796.77 : x
  2. Step 2: Convert to fraction form
    87,664.07/120,920.31 = 60,796.77/x
  3. Step 3: Cross multiply
    87,664.07x = 120,920.31 × 60,796.77
  4. Step 4: Simplify right side
    87,664.07x = 7,351,564,275.40
  5. Step 5: Solve for x
    x = 7,351,564,275.40/87,664.07
  6. Step 6: Final answer
    x = 83,860.64

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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.