Home / 90,504.90-124,896.75-50,218.95

Finding the Fourth Proportional to 90,504.90, 124,896.75 and 50,218.95

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Solution

The fourth proportional to 90,504.90, 124,896.75 and 50,218.95 is: 69,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,504.90 : 124,896.75 = 50,218.95 : x
  2. Step 2: Convert to fraction form
    90,504.90/124,896.75 = 50,218.95/x
  3. Step 3: Cross multiply
    90,504.90x = 124,896.75 × 50,218.95
  4. Step 4: Simplify right side
    90,504.90x = 6,272,183,643.41
  5. Step 5: Solve for x
    x = 6,272,183,643.41/90,504.90
  6. Step 6: Final answer
    x = 69,302.14

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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.