Home / 88,273.87-121,816.51-47,988.65

Finding the Fourth Proportional to 88,273.87, 121,816.51 and 47,988.65

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Solution

The fourth proportional to 88,273.87, 121,816.51 and 47,988.65 is: 66,223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.87 : 121,816.51 = 47,988.65 : x
  2. Step 2: Convert to fraction form
    88,273.87/121,816.51 = 47,988.65/x
  3. Step 3: Cross multiply
    88,273.87x = 121,816.51 × 47,988.65
  4. Step 4: Simplify right side
    88,273.87x = 5,845,809,862.61
  5. Step 5: Solve for x
    x = 5,845,809,862.61/88,273.87
  6. Step 6: Final answer
    x = 66,223.56

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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.