Home / 88,093.20-121,568.70-47,806.97

Finding the Fourth Proportional to 88,093.20, 121,568.70 and 47,806.97

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Solution

The fourth proportional to 88,093.20, 121,568.70 and 47,806.97 is: 65,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.20 : 121,568.70 = 47,806.97 : x
  2. Step 2: Convert to fraction form
    88,093.20/121,568.70 = 47,806.97/x
  3. Step 3: Cross multiply
    88,093.20x = 121,568.70 × 47,806.97
  4. Step 4: Simplify right side
    88,093.20x = 5,811,831,193.84
  5. Step 5: Solve for x
    x = 5,811,831,193.84/88,093.20
  6. Step 6: Final answer
    x = 65,973.66

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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.