Home / 88,708.40-132,868.20-47,106.80

Finding the Fourth Proportional to 88,708.40, 132,868.20 and 47,106.80

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Solution

The fourth proportional to 88,708.40, 132,868.20 and 47,106.80 is: 70,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,708.40 : 132,868.20 = 47,106.80 : x
  2. Step 2: Convert to fraction form
    88,708.40/132,868.20 = 47,106.80/x
  3. Step 3: Cross multiply
    88,708.40x = 132,868.20 × 47,106.80
  4. Step 4: Simplify right side
    88,708.40x = 6,258,995,723.76
  5. Step 5: Solve for x
    x = 6,258,995,723.76/88,708.40
  6. Step 6: Final answer
    x = 70,556.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.