Home / 88,185.49-121,696.87-47,900.04

Finding the Fourth Proportional to 88,185.49, 121,696.87 and 47,900.04

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Solution

The fourth proportional to 88,185.49, 121,696.87 and 47,900.04 is: 66,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.49 : 121,696.87 = 47,900.04 : x
  2. Step 2: Convert to fraction form
    88,185.49/121,696.87 = 47,900.04/x
  3. Step 3: Cross multiply
    88,185.49x = 121,696.87 × 47,900.04
  4. Step 4: Simplify right side
    88,185.49x = 5,829,284,940.87
  5. Step 5: Solve for x
    x = 5,829,284,940.87/88,185.49
  6. Step 6: Final answer
    x = 66,102.54

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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.