Home / 90,682.74-125,139.67-50,395.48

Finding the Fourth Proportional to 90,682.74, 125,139.67 and 50,395.48

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Solution

The fourth proportional to 90,682.74, 125,139.67 and 50,395.48 is: 69,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,682.74 : 125,139.67 = 50,395.48 : x
  2. Step 2: Convert to fraction form
    90,682.74/125,139.67 = 50,395.48/x
  3. Step 3: Cross multiply
    90,682.74x = 125,139.67 × 50,395.48
  4. Step 4: Simplify right side
    90,682.74x = 6,306,473,736.69
  5. Step 5: Solve for x
    x = 6,306,473,736.69/90,682.74
  6. Step 6: Final answer
    x = 69,544.37

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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.