Home / 45,905.64-68,835.72-16,319.04

Finding the Fourth Proportional to 45,905.64, 68,835.72 and 16,319.04

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Solution

The fourth proportional to 45,905.64, 68,835.72 and 16,319.04 is: 24,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.64 : 68,835.72 = 16,319.04 : x
  2. Step 2: Convert to fraction form
    45,905.64/68,835.72 = 16,319.04/x
  3. Step 3: Cross multiply
    45,905.64x = 68,835.72 × 16,319.04
  4. Step 4: Simplify right side
    45,905.64x = 1,123,332,868.11
  5. Step 5: Solve for x
    x = 1,123,332,868.11/45,905.64
  6. Step 6: Final answer
    x = 24,470.48

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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.