Home / 91,162.80-125,811-50,884.44

Finding the Fourth Proportional to 91,162.80, 125,811 and 50,884.44

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Solution

The fourth proportional to 91,162.80, 125,811 and 50,884.44 is: 70,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,162.80 : 125,811 = 50,884.44 : x
  2. Step 2: Convert to fraction form
    91,162.80/125,811 = 50,884.44/x
  3. Step 3: Cross multiply
    91,162.80x = 125,811 × 50,884.44
  4. Step 4: Simplify right side
    91,162.80x = 6,401,822,280.84
  5. Step 5: Solve for x
    x = 6,401,822,280.84/91,162.80
  6. Step 6: Final answer
    x = 70,224.06

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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.