Home / 90,682.44-125,136.95-50,395.16

Finding the Fourth Proportional to 90,682.44, 125,136.95 and 50,395.16

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Solution

The fourth proportional to 90,682.44, 125,136.95 and 50,395.16 is: 69,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,682.44 : 125,136.95 = 50,395.16 : x
  2. Step 2: Convert to fraction form
    90,682.44/125,136.95 = 50,395.16/x
  3. Step 3: Cross multiply
    90,682.44x = 125,136.95 × 50,395.16
  4. Step 4: Simplify right side
    90,682.44x = 6,306,296,961.50
  5. Step 5: Solve for x
    x = 6,306,296,961.50/90,682.44
  6. Step 6: Final answer
    x = 69,542.65

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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.