Home / 91,244.94-125,003.48-87,833.58

Finding the Fourth Proportional to 91,244.94, 125,003.48 and 87,833.58

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Solution

The fourth proportional to 91,244.94, 125,003.48 and 87,833.58 is: 120,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,244.94 : 125,003.48 = 87,833.58 : x
  2. Step 2: Convert to fraction form
    91,244.94/125,003.48 = 87,833.58/x
  3. Step 3: Cross multiply
    91,244.94x = 125,003.48 × 87,833.58
  4. Step 4: Simplify right side
    91,244.94x = 10,979,503,160.86
  5. Step 5: Solve for x
    x = 10,979,503,160.86/91,244.94
  6. Step 6: Final answer
    x = 120,329.99

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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.