Home / 88,200.54-121,716.96-47,913.96

Finding the Fourth Proportional to 88,200.54, 121,716.96 and 47,913.96

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Solution

The fourth proportional to 88,200.54, 121,716.96 and 47,913.96 is: 66,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,200.54 : 121,716.96 = 47,913.96 : x
  2. Step 2: Convert to fraction form
    88,200.54/121,716.96 = 47,913.96/x
  3. Step 3: Cross multiply
    88,200.54x = 121,716.96 × 47,913.96
  4. Step 4: Simplify right side
    88,200.54x = 5,831,941,552.76
  5. Step 5: Solve for x
    x = 5,831,941,552.76/88,200.54
  6. Step 6: Final answer
    x = 66,121.38

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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.