Home / 90,726.44-125,202.36-50,438.92

Finding the Fourth Proportional to 90,726.44, 125,202.36 and 50,438.92

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Solution

The fourth proportional to 90,726.44, 125,202.36 and 50,438.92 is: 69,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,726.44 : 125,202.36 = 50,438.92 : x
  2. Step 2: Convert to fraction form
    90,726.44/125,202.36 = 50,438.92/x
  3. Step 3: Cross multiply
    90,726.44x = 125,202.36 × 50,438.92
  4. Step 4: Simplify right side
    90,726.44x = 6,315,071,819.85
  5. Step 5: Solve for x
    x = 6,315,071,819.85/90,726.44
  6. Step 6: Final answer
    x = 69,605.64

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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.