Home / 88,261.92-121,802.22-47,975.70

Finding the Fourth Proportional to 88,261.92, 121,802.22 and 47,975.70

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Solution

The fourth proportional to 88,261.92, 121,802.22 and 47,975.70 is: 66,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.92 : 121,802.22 = 47,975.70 : x
  2. Step 2: Convert to fraction form
    88,261.92/121,802.22 = 47,975.70/x
  3. Step 3: Cross multiply
    88,261.92x = 121,802.22 × 47,975.70
  4. Step 4: Simplify right side
    88,261.92x = 5,843,546,766.05
  5. Step 5: Solve for x
    x = 5,843,546,766.05/88,261.92
  6. Step 6: Final answer
    x = 66,206.88

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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.