Home / 109,432.20-164,033.10-42,846.60

Finding the Fourth Proportional to 109,432.20, 164,033.10 and 42,846.60

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Solution

The fourth proportional to 109,432.20, 164,033.10 and 42,846.60 is: 64,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,432.20 : 164,033.10 = 42,846.60 : x
  2. Step 2: Convert to fraction form
    109,432.20/164,033.10 = 42,846.60/x
  3. Step 3: Cross multiply
    109,432.20x = 164,033.10 × 42,846.60
  4. Step 4: Simplify right side
    109,432.20x = 7,028,260,622.46
  5. Step 5: Solve for x
    x = 7,028,260,622.46/109,432.20
  6. Step 6: Final answer
    x = 64,224.80

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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.