Home / 90,619.26-125,058.12-50,336.06

Finding the Fourth Proportional to 90,619.26, 125,058.12 and 50,336.06

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Solution

The fourth proportional to 90,619.26, 125,058.12 and 50,336.06 is: 69,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,619.26 : 125,058.12 = 50,336.06 : x
  2. Step 2: Convert to fraction form
    90,619.26/125,058.12 = 50,336.06/x
  3. Step 3: Cross multiply
    90,619.26x = 125,058.12 × 50,336.06
  4. Step 4: Simplify right side
    90,619.26x = 6,294,933,031.81
  5. Step 5: Solve for x
    x = 6,294,933,031.81/90,619.26
  6. Step 6: Final answer
    x = 69,465.73

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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.