Home / 87,893.34-121,314.51-50,189.46

Finding the Fourth Proportional to 87,893.34, 121,314.51 and 50,189.46

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Solution

The fourth proportional to 87,893.34, 121,314.51 and 50,189.46 is: 69,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,893.34 : 121,314.51 = 50,189.46 : x
  2. Step 2: Convert to fraction form
    87,893.34/121,314.51 = 50,189.46/x
  3. Step 3: Cross multiply
    87,893.34x = 121,314.51 × 50,189.46
  4. Step 4: Simplify right side
    87,893.34x = 6,088,709,747.06
  5. Step 5: Solve for x
    x = 6,088,709,747.06/87,893.34
  6. Step 6: Final answer
    x = 69,273.85

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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.