Home / 88,348.94-121,919.34-50,620.76

Finding the Fourth Proportional to 88,348.94, 121,919.34 and 50,620.76

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Solution

The fourth proportional to 88,348.94, 121,919.34 and 50,620.76 is: 69,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,348.94 : 121,919.34 = 50,620.76 : x
  2. Step 2: Convert to fraction form
    88,348.94/121,919.34 = 50,620.76/x
  3. Step 3: Cross multiply
    88,348.94x = 121,919.34 × 50,620.76
  4. Step 4: Simplify right side
    88,348.94x = 6,171,649,649.50
  5. Step 5: Solve for x
    x = 6,171,649,649.50/88,348.94
  6. Step 6: Final answer
    x = 69,855.39

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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.