Home / 87,716.94-121,040.82-49,482.51

Finding the Fourth Proportional to 87,716.94, 121,040.82 and 49,482.51

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Solution

The fourth proportional to 87,716.94, 121,040.82 and 49,482.51 is: 68,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,716.94 : 121,040.82 = 49,482.51 : x
  2. Step 2: Convert to fraction form
    87,716.94/121,040.82 = 49,482.51/x
  3. Step 3: Cross multiply
    87,716.94x = 121,040.82 × 49,482.51
  4. Step 4: Simplify right side
    87,716.94x = 5,989,403,586.06
  5. Step 5: Solve for x
    x = 5,989,403,586.06/87,716.94
  6. Step 6: Final answer
    x = 68,281.04

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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.