Home / 88,103.96-121,584.34-47,818.08

Finding the Fourth Proportional to 88,103.96, 121,584.34 and 47,818.08

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Solution

The fourth proportional to 88,103.96, 121,584.34 and 47,818.08 is: 65,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.96 : 121,584.34 = 47,818.08 : x
  2. Step 2: Convert to fraction form
    88,103.96/121,584.34 = 47,818.08/x
  3. Step 3: Cross multiply
    88,103.96x = 121,584.34 × 47,818.08
  4. Step 4: Simplify right side
    88,103.96x = 5,813,929,696.87
  5. Step 5: Solve for x
    x = 5,813,929,696.87/88,103.96
  6. Step 6: Final answer
    x = 65,989.43

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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.