Home / 91,192.14-125,847.24-57,202.02

Finding the Fourth Proportional to 91,192.14, 125,847.24 and 57,202.02

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Solution

The fourth proportional to 91,192.14, 125,847.24 and 57,202.02 is: 78,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,192.14 : 125,847.24 = 57,202.02 : x
  2. Step 2: Convert to fraction form
    91,192.14/125,847.24 = 57,202.02/x
  3. Step 3: Cross multiply
    91,192.14x = 125,847.24 × 57,202.02
  4. Step 4: Simplify right side
    91,192.14x = 7,198,716,339.42
  5. Step 5: Solve for x
    x = 7,198,716,339.42/91,192.14
  6. Step 6: Final answer
    x = 78,940.10

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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.