Home / 87,917.94-121,323.24-51,614.46

Finding the Fourth Proportional to 87,917.94, 121,323.24 and 51,614.46

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Solution

The fourth proportional to 87,917.94, 121,323.24 and 51,614.46 is: 71,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,917.94 : 121,323.24 = 51,614.46 : x
  2. Step 2: Convert to fraction form
    87,917.94/121,323.24 = 51,614.46/x
  3. Step 3: Cross multiply
    87,917.94x = 121,323.24 × 51,614.46
  4. Step 4: Simplify right side
    87,917.94x = 6,262,033,518.05
  5. Step 5: Solve for x
    x = 6,262,033,518.05/87,917.94
  6. Step 6: Final answer
    x = 71,225.89

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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.