Home / 88,093.13-121,568.60-47,806.90

Finding the Fourth Proportional to 88,093.13, 121,568.60 and 47,806.90

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Solution

The fourth proportional to 88,093.13, 121,568.60 and 47,806.90 is: 65,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.13 : 121,568.60 = 47,806.90 : x
  2. Step 2: Convert to fraction form
    88,093.13/121,568.60 = 47,806.90/x
  3. Step 3: Cross multiply
    88,093.13x = 121,568.60 × 47,806.90
  4. Step 4: Simplify right side
    88,093.13x = 5,811,817,056.46
  5. Step 5: Solve for x
    x = 5,811,817,056.46/88,093.13
  6. Step 6: Final answer
    x = 65,973.56

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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.