Home / 90,774.52-125,261.46-50,488.36

Finding the Fourth Proportional to 90,774.52, 125,261.46 and 50,488.36

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Solution

The fourth proportional to 90,774.52, 125,261.46 and 50,488.36 is: 69,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,774.52 : 125,261.46 = 50,488.36 : x
  2. Step 2: Convert to fraction form
    90,774.52/125,261.46 = 50,488.36/x
  3. Step 3: Cross multiply
    90,774.52x = 125,261.46 × 50,488.36
  4. Step 4: Simplify right side
    90,774.52x = 6,324,245,686.61
  5. Step 5: Solve for x
    x = 6,324,245,686.61/90,774.52
  6. Step 6: Final answer
    x = 69,669.83

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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.