Home / 88,092.60-121,568.10-47,806.35

Finding the Fourth Proportional to 88,092.60, 121,568.10 and 47,806.35

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Solution

The fourth proportional to 88,092.60, 121,568.10 and 47,806.35 is: 65,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,092.60 : 121,568.10 = 47,806.35 : x
  2. Step 2: Convert to fraction form
    88,092.60/121,568.10 = 47,806.35/x
  3. Step 3: Cross multiply
    88,092.60x = 121,568.10 × 47,806.35
  4. Step 4: Simplify right side
    88,092.60x = 5,811,727,137.44
  5. Step 5: Solve for x
    x = 5,811,727,137.44/88,092.60
  6. Step 6: Final answer
    x = 65,972.93

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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.