Home / 109,387.64-163,972.45-46,223.66

Finding the Fourth Proportional to 109,387.64, 163,972.45 and 46,223.66

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Solution

The fourth proportional to 109,387.64, 163,972.45 and 46,223.66 is: 69,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387.64 : 163,972.45 = 46,223.66 : x
  2. Step 2: Convert to fraction form
    109,387.64/163,972.45 = 46,223.66/x
  3. Step 3: Cross multiply
    109,387.64x = 163,972.45 × 46,223.66
  4. Step 4: Simplify right side
    109,387.64x = 7,579,407,245.88
  5. Step 5: Solve for x
    x = 7,579,407,245.88/109,387.64
  6. Step 6: Final answer
    x = 69,289.43

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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.