Home / 88,200.83-121,716.13-47,913.73

Finding the Fourth Proportional to 88,200.83, 121,716.13 and 47,913.73

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Solution

The fourth proportional to 88,200.83, 121,716.13 and 47,913.73 is: 66,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,200.83 : 121,716.13 = 47,913.73 : x
  2. Step 2: Convert to fraction form
    88,200.83/121,716.13 = 47,913.73/x
  3. Step 3: Cross multiply
    88,200.83x = 121,716.13 × 47,913.73
  4. Step 4: Simplify right side
    88,200.83x = 5,831,873,789.46
  5. Step 5: Solve for x
    x = 5,831,873,789.46/88,200.83
  6. Step 6: Final answer
    x = 66,120.40

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1.5x scale

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.