Home / 90,615.56-125,049.60-50,328.29

Finding the Fourth Proportional to 90,615.56, 125,049.60 and 50,328.29

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Solution

The fourth proportional to 90,615.56, 125,049.60 and 50,328.29 is: 69,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,615.56 : 125,049.60 = 50,328.29 : x
  2. Step 2: Convert to fraction form
    90,615.56/125,049.60 = 50,328.29/x
  3. Step 3: Cross multiply
    90,615.56x = 125,049.60 × 50,328.29
  4. Step 4: Simplify right side
    90,615.56x = 6,293,531,907.94
  5. Step 5: Solve for x
    x = 6,293,531,907.94/90,615.56
  6. Step 6: Final answer
    x = 69,453.11

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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.