Home / 109,029.23-163,607.29-45,844.78

Finding the Fourth Proportional to 109,029.23, 163,607.29 and 45,844.78

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Solution

The fourth proportional to 109,029.23, 163,607.29 and 45,844.78 is: 68,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,029.23 : 163,607.29 = 45,844.78 : x
  2. Step 2: Convert to fraction form
    109,029.23/163,607.29 = 45,844.78/x
  3. Step 3: Cross multiply
    109,029.23x = 163,607.29 × 45,844.78
  4. Step 4: Simplify right side
    109,029.23x = 7,500,540,216.45
  5. Step 5: Solve for x
    x = 7,500,540,216.45/109,029.23
  6. Step 6: Final answer
    x = 68,793.85

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1.5x scale

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.