Home / 91,244.42-125,002.77-87,833.06

Finding the Fourth Proportional to 91,244.42, 125,002.77 and 87,833.06

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Solution

The fourth proportional to 91,244.42, 125,002.77 and 87,833.06 is: 120,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,244.42 : 125,002.77 = 87,833.06 : x
  2. Step 2: Convert to fraction form
    91,244.42/125,002.77 = 87,833.06/x
  3. Step 3: Cross multiply
    91,244.42x = 125,002.77 × 87,833.06
  4. Step 4: Simplify right side
    91,244.42x = 10,979,375,172.56
  5. Step 5: Solve for x
    x = 10,979,375,172.56/91,244.42
  6. Step 6: Final answer
    x = 120,329.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.