Home / 88,199.96-121,716.17-47,913.39

Finding the Fourth Proportional to 88,199.96, 121,716.17 and 47,913.39

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Solution

The fourth proportional to 88,199.96, 121,716.17 and 47,913.39 is: 66,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,199.96 : 121,716.17 = 47,913.39 : x
  2. Step 2: Convert to fraction form
    88,199.96/121,716.17 = 47,913.39/x
  3. Step 3: Cross multiply
    88,199.96x = 121,716.17 × 47,913.39
  4. Step 4: Simplify right side
    88,199.96x = 5,831,834,262.62
  5. Step 5: Solve for x
    x = 5,831,834,262.62/88,199.96
  6. Step 6: Final answer
    x = 66,120.60

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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.