Home / 114,789.08-171,897.26-72,541.71

Finding the Fourth Proportional to 114,789.08, 171,897.26 and 72,541.71

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Solution

The fourth proportional to 114,789.08, 171,897.26 and 72,541.71 is: 108,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,789.08 : 171,897.26 = 72,541.71 : x
  2. Step 2: Convert to fraction form
    114,789.08/171,897.26 = 72,541.71/x
  3. Step 3: Cross multiply
    114,789.08x = 171,897.26 × 72,541.71
  4. Step 4: Simplify right side
    114,789.08x = 12,469,720,822.01
  5. Step 5: Solve for x
    x = 12,469,720,822.01/114,789.08
  6. Step 6: Final answer
    x = 108,631.59

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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.