Home / 88,144.92-121,656.42-50,419.08

Finding the Fourth Proportional to 88,144.92, 121,656.42 and 50,419.08

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Solution

The fourth proportional to 88,144.92, 121,656.42 and 50,419.08 is: 69,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,144.92 : 121,656.42 = 50,419.08 : x
  2. Step 2: Convert to fraction form
    88,144.92/121,656.42 = 50,419.08/x
  3. Step 3: Cross multiply
    88,144.92x = 121,656.42 × 50,419.08
  4. Step 4: Simplify right side
    88,144.92x = 6,133,804,772.49
  5. Step 5: Solve for x
    x = 6,133,804,772.49/88,144.92
  6. Step 6: Final answer
    x = 69,587.73

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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.