Home / 90,725.52-125,194.11-50,436.82

Finding the Fourth Proportional to 90,725.52, 125,194.11 and 50,436.82

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Solution

The fourth proportional to 90,725.52, 125,194.11 and 50,436.82 is: 69,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,725.52 : 125,194.11 = 50,436.82 : x
  2. Step 2: Convert to fraction form
    90,725.52/125,194.11 = 50,436.82/x
  3. Step 3: Cross multiply
    90,725.52x = 125,194.11 × 50,436.82
  4. Step 4: Simplify right side
    90,725.52x = 6,314,392,791.13
  5. Step 5: Solve for x
    x = 6,314,392,791.13/90,725.52
  6. Step 6: Final answer
    x = 69,598.86

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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.