Home / 87,826.56-121,199.52-50,101.44

Finding the Fourth Proportional to 87,826.56, 121,199.52 and 50,101.44

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Solution

The fourth proportional to 87,826.56, 121,199.52 and 50,101.44 is: 69,139.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.56 : 121,199.52 = 50,101.44 : x
  2. Step 2: Convert to fraction form
    87,826.56/121,199.52 = 50,101.44/x
  3. Step 3: Cross multiply
    87,826.56x = 121,199.52 × 50,101.44
  4. Step 4: Simplify right side
    87,826.56x = 6,072,270,479.31
  5. Step 5: Solve for x
    x = 6,072,270,479.31/87,826.56
  6. Step 6: Final answer
    x = 69,139.34

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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.