Home / 102,880.92-154,282.20-36,308.64

Finding the Fourth Proportional to 102,880.92, 154,282.20 and 36,308.64

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Solution

The fourth proportional to 102,880.92, 154,282.20 and 36,308.64 is: 54,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,880.92 : 154,282.20 = 36,308.64 : x
  2. Step 2: Convert to fraction form
    102,880.92/154,282.20 = 36,308.64/x
  3. Step 3: Cross multiply
    102,880.92x = 154,282.20 × 36,308.64
  4. Step 4: Simplify right side
    102,880.92x = 5,601,776,858.21
  5. Step 5: Solve for x
    x = 5,601,776,858.21/102,880.92
  6. Step 6: Final answer
    x = 54,449.13

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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.