Home / 45,785.30-68,677.71-14,619.86

Finding the Fourth Proportional to 45,785.30, 68,677.71 and 14,619.86

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Solution

The fourth proportional to 45,785.30, 68,677.71 and 14,619.86 is: 21,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.30 : 68,677.71 = 14,619.86 : x
  2. Step 2: Convert to fraction form
    45,785.30/68,677.71 = 14,619.86/x
  3. Step 3: Cross multiply
    45,785.30x = 68,677.71 × 14,619.86
  4. Step 4: Simplify right side
    45,785.30x = 1,004,058,505.32
  5. Step 5: Solve for x
    x = 1,004,058,505.32/45,785.30
  6. Step 6: Final answer
    x = 21,929.71

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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.