Home / 90,294.09-124,606.91-50,008.64

Finding the Fourth Proportional to 90,294.09, 124,606.91 and 50,008.64

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Solution

The fourth proportional to 90,294.09, 124,606.91 and 50,008.64 is: 69,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,294.09 : 124,606.91 = 50,008.64 : x
  2. Step 2: Convert to fraction form
    90,294.09/124,606.91 = 50,008.64/x
  3. Step 3: Cross multiply
    90,294.09x = 124,606.91 × 50,008.64
  4. Step 4: Simplify right side
    90,294.09x = 6,231,422,025.30
  5. Step 5: Solve for x
    x = 6,231,422,025.30/90,294.09
  6. Step 6: Final answer
    x = 69,012.51

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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.