Home / 90,473.04-135,716.04-23,912.28

Finding the Fourth Proportional to 90,473.04, 135,716.04 and 23,912.28

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Solution

The fourth proportional to 90,473.04, 135,716.04 and 23,912.28 is: 35,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,473.04 : 135,716.04 = 23,912.28 : x
  2. Step 2: Convert to fraction form
    90,473.04/135,716.04 = 23,912.28/x
  3. Step 3: Cross multiply
    90,473.04x = 135,716.04 × 23,912.28
  4. Step 4: Simplify right side
    90,473.04x = 3,245,279,948.97
  5. Step 5: Solve for x
    x = 3,245,279,948.97/90,473.04
  6. Step 6: Final answer
    x = 35,870.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.