Home / 109,049.70-163,574.55-56,475.30

Finding the Fourth Proportional to 109,049.70, 163,574.55 and 56,475.30

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Solution

The fourth proportional to 109,049.70, 163,574.55 and 56,475.30 is: 84,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,049.70 : 163,574.55 = 56,475.30 : x
  2. Step 2: Convert to fraction form
    109,049.70/163,574.55 = 56,475.30/x
  3. Step 3: Cross multiply
    109,049.70x = 163,574.55 × 56,475.30
  4. Step 4: Simplify right side
    109,049.70x = 9,237,921,783.62
  5. Step 5: Solve for x
    x = 9,237,921,783.62/109,049.70
  6. Step 6: Final answer
    x = 84,712.95

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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.