Home / 87,797.37-121,160.93-51,491.41

Finding the Fourth Proportional to 87,797.37, 121,160.93 and 51,491.41

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Solution

The fourth proportional to 87,797.37, 121,160.93 and 51,491.41 is: 71,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,797.37 : 121,160.93 = 51,491.41 : x
  2. Step 2: Convert to fraction form
    87,797.37/121,160.93 = 51,491.41/x
  3. Step 3: Cross multiply
    87,797.37x = 121,160.93 × 51,491.41
  4. Step 4: Simplify right side
    87,797.37x = 6,238,747,122.61
  5. Step 5: Solve for x
    x = 6,238,747,122.61/87,797.37
  6. Step 6: Final answer
    x = 71,058.47

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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.