Home / 109,073.64-163,614.12-30,181.26

Finding the Fourth Proportional to 109,073.64, 163,614.12 and 30,181.26

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Solution

The fourth proportional to 109,073.64, 163,614.12 and 30,181.26 is: 45,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,073.64 : 163,614.12 = 30,181.26 : x
  2. Step 2: Convert to fraction form
    109,073.64/163,614.12 = 30,181.26/x
  3. Step 3: Cross multiply
    109,073.64x = 163,614.12 × 30,181.26
  4. Step 4: Simplify right side
    109,073.64x = 4,938,080,295.39
  5. Step 5: Solve for x
    x = 4,938,080,295.39/109,073.64
  6. Step 6: Final answer
    x = 45,272.90

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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.