Home / 90,608.72-125,039.92-50,328.50

Finding the Fourth Proportional to 90,608.72, 125,039.92 and 50,328.50

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Solution

The fourth proportional to 90,608.72, 125,039.92 and 50,328.50 is: 69,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,608.72 : 125,039.92 = 50,328.50 : x
  2. Step 2: Convert to fraction form
    90,608.72/125,039.92 = 50,328.50/x
  3. Step 3: Cross multiply
    90,608.72x = 125,039.92 × 50,328.50
  4. Step 4: Simplify right side
    90,608.72x = 6,293,071,362.08
  5. Step 5: Solve for x
    x = 6,293,071,362.08/90,608.72
  6. Step 6: Final answer
    x = 69,453.26

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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.