Home / 109,734.08-164,575.20-50,532.80

Finding the Fourth Proportional to 109,734.08, 164,575.20 and 50,532.80

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Solution

The fourth proportional to 109,734.08, 164,575.20 and 50,532.80 is: 75,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,734.08 : 164,575.20 = 50,532.80 : x
  2. Step 2: Convert to fraction form
    109,734.08/164,575.20 = 50,532.80/x
  3. Step 3: Cross multiply
    109,734.08x = 164,575.20 × 50,532.80
  4. Step 4: Simplify right side
    109,734.08x = 8,316,445,666.56
  5. Step 5: Solve for x
    x = 8,316,445,666.56/109,734.08
  6. Step 6: Final answer
    x = 75,787.26

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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.