Home / 90,508.14-124,899.32-50,221.02

Finding the Fourth Proportional to 90,508.14, 124,899.32 and 50,221.02

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Solution

The fourth proportional to 90,508.14, 124,899.32 and 50,221.02 is: 69,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,508.14 : 124,899.32 = 50,221.02 : x
  2. Step 2: Convert to fraction form
    90,508.14/124,899.32 = 50,221.02/x
  3. Step 3: Cross multiply
    90,508.14x = 124,899.32 × 50,221.02
  4. Step 4: Simplify right side
    90,508.14x = 6,272,571,247.71
  5. Step 5: Solve for x
    x = 6,272,571,247.71/90,508.14
  6. Step 6: Final answer
    x = 69,303.95

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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.