Home / 91,099.20-136,616.40-41,203.20

Finding the Fourth Proportional to 91,099.20, 136,616.40 and 41,203.20

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Solution

The fourth proportional to 91,099.20, 136,616.40 and 41,203.20 is: 61,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.20 : 136,616.40 = 41,203.20 : x
  2. Step 2: Convert to fraction form
    91,099.20/136,616.40 = 41,203.20/x
  3. Step 3: Cross multiply
    91,099.20x = 136,616.40 × 41,203.20
  4. Step 4: Simplify right side
    91,099.20x = 5,629,032,852.48
  5. Step 5: Solve for x
    x = 5,629,032,852.48/91,099.20
  6. Step 6: Final answer
    x = 61,790.15

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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.