Home / 88,217.36-121,745.44-50,490.80

Finding the Fourth Proportional to 88,217.36, 121,745.44 and 50,490.80

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Solution

The fourth proportional to 88,217.36, 121,745.44 and 50,490.80 is: 69,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,217.36 : 121,745.44 = 50,490.80 : x
  2. Step 2: Convert to fraction form
    88,217.36/121,745.44 = 50,490.80/x
  3. Step 3: Cross multiply
    88,217.36x = 121,745.44 × 50,490.80
  4. Step 4: Simplify right side
    88,217.36x = 6,147,024,661.95
  5. Step 5: Solve for x
    x = 6,147,024,661.95/88,217.36
  6. Step 6: Final answer
    x = 69,680.44

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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.