Home / 90,216.36-124,497.66-49,930.20

Finding the Fourth Proportional to 90,216.36, 124,497.66 and 49,930.20

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Solution

The fourth proportional to 90,216.36, 124,497.66 and 49,930.20 is: 68,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,216.36 : 124,497.66 = 49,930.20 : x
  2. Step 2: Convert to fraction form
    90,216.36/124,497.66 = 49,930.20/x
  3. Step 3: Cross multiply
    90,216.36x = 124,497.66 × 49,930.20
  4. Step 4: Simplify right side
    90,216.36x = 6,216,193,063.33
  5. Step 5: Solve for x
    x = 6,216,193,063.33/90,216.36
  6. Step 6: Final answer
    x = 68,903.17

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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.