Home / 90,294.21-124,610.81-50,012.37

Finding the Fourth Proportional to 90,294.21, 124,610.81 and 50,012.37

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Solution

The fourth proportional to 90,294.21, 124,610.81 and 50,012.37 is: 69,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,294.21 : 124,610.81 = 50,012.37 : x
  2. Step 2: Convert to fraction form
    90,294.21/124,610.81 = 50,012.37/x
  3. Step 3: Cross multiply
    90,294.21x = 124,610.81 × 50,012.37
  4. Step 4: Simplify right side
    90,294.21x = 6,232,081,685.66
  5. Step 5: Solve for x
    x = 6,232,081,685.66/90,294.21
  6. Step 6: Final answer
    x = 69,019.73

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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.