Home / 135,087.60-202,631.56-35,247.72

Finding the Fourth Proportional to 135,087.60, 202,631.56 and 35,247.72

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Solution

The fourth proportional to 135,087.60, 202,631.56 and 35,247.72 is: 52,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,087.60 : 202,631.56 = 35,247.72 : x
  2. Step 2: Convert to fraction form
    135,087.60/202,631.56 = 35,247.72/x
  3. Step 3: Cross multiply
    135,087.60x = 202,631.56 × 35,247.72
  4. Step 4: Simplify right side
    135,087.60x = 7,142,300,490.04
  5. Step 5: Solve for x
    x = 7,142,300,490.04/135,087.60
  6. Step 6: Final answer
    x = 52,871.62

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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.