Home / 88,137.52-121,616.94-50,404.48

Finding the Fourth Proportional to 88,137.52, 121,616.94 and 50,404.48

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Solution

The fourth proportional to 88,137.52, 121,616.94 and 50,404.48 is: 69,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137.52 : 121,616.94 = 50,404.48 : x
  2. Step 2: Convert to fraction form
    88,137.52/121,616.94 = 50,404.48/x
  3. Step 3: Cross multiply
    88,137.52x = 121,616.94 × 50,404.48
  4. Step 4: Simplify right side
    88,137.52x = 6,130,038,504.87
  5. Step 5: Solve for x
    x = 6,130,038,504.87/88,137.52
  6. Step 6: Final answer
    x = 69,550.84

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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.