Home / 90,680.61-125,136.75-50,393.34

Finding the Fourth Proportional to 90,680.61, 125,136.75 and 50,393.34

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Solution

The fourth proportional to 90,680.61, 125,136.75 and 50,393.34 is: 69,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,680.61 : 125,136.75 = 50,393.34 : x
  2. Step 2: Convert to fraction form
    90,680.61/125,136.75 = 50,393.34/x
  3. Step 3: Cross multiply
    90,680.61x = 125,136.75 × 50,393.34
  4. Step 4: Simplify right side
    90,680.61x = 6,306,058,789.25
  5. Step 5: Solve for x
    x = 6,306,058,789.25/90,680.61
  6. Step 6: Final answer
    x = 69,541.42

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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.