Home / 87,936.36-121,360.86-50,216.28

Finding the Fourth Proportional to 87,936.36, 121,360.86 and 50,216.28

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Solution

The fourth proportional to 87,936.36, 121,360.86 and 50,216.28 is: 69,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936.36 : 121,360.86 = 50,216.28 : x
  2. Step 2: Convert to fraction form
    87,936.36/121,360.86 = 50,216.28/x
  3. Step 3: Cross multiply
    87,936.36x = 121,360.86 × 50,216.28
  4. Step 4: Simplify right side
    87,936.36x = 6,094,290,926.80
  5. Step 5: Solve for x
    x = 6,094,290,926.80/87,936.36
  6. Step 6: Final answer
    x = 69,303.42

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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.