Home / 90,306.09-124,629.44-50,023.68

Finding the Fourth Proportional to 90,306.09, 124,629.44 and 50,023.68

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Solution

The fourth proportional to 90,306.09, 124,629.44 and 50,023.68 is: 69,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306.09 : 124,629.44 = 50,023.68 : x
  2. Step 2: Convert to fraction form
    90,306.09/124,629.44 = 50,023.68/x
  3. Step 3: Cross multiply
    90,306.09x = 124,629.44 × 50,023.68
  4. Step 4: Simplify right side
    90,306.09x = 6,234,422,507.66
  5. Step 5: Solve for x
    x = 6,234,422,507.66/90,306.09
  6. Step 6: Final answer
    x = 69,036.57

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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.