Home / 90,022.56-124,229.40-49,738.08

Finding the Fourth Proportional to 90,022.56, 124,229.40 and 49,738.08

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Solution

The fourth proportional to 90,022.56, 124,229.40 and 49,738.08 is: 68,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,022.56 : 124,229.40 = 49,738.08 : x
  2. Step 2: Convert to fraction form
    90,022.56/124,229.40 = 49,738.08/x
  3. Step 3: Cross multiply
    90,022.56x = 124,229.40 × 49,738.08
  4. Step 4: Simplify right side
    90,022.56x = 6,178,931,835.55
  5. Step 5: Solve for x
    x = 6,178,931,835.55/90,022.56
  6. Step 6: Final answer
    x = 68,637.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.