Home / 88,283.49-121,833.61-47,999.96

Finding the Fourth Proportional to 88,283.49, 121,833.61 and 47,999.96

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Solution

The fourth proportional to 88,283.49, 121,833.61 and 47,999.96 is: 66,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,283.49 : 121,833.61 = 47,999.96 : x
  2. Step 2: Convert to fraction form
    88,283.49/121,833.61 = 47,999.96/x
  3. Step 3: Cross multiply
    88,283.49x = 121,833.61 × 47,999.96
  4. Step 4: Simplify right side
    88,283.49x = 5,848,008,406.66
  5. Step 5: Solve for x
    x = 5,848,008,406.66/88,283.49
  6. Step 6: Final answer
    x = 66,241.25

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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.