Home / 115,869.27-173,663.54-49,169.28

Finding the Fourth Proportional to 115,869.27, 173,663.54 and 49,169.28

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Solution

The fourth proportional to 115,869.27, 173,663.54 and 49,169.28 is: 73,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,869.27 : 173,663.54 = 49,169.28 : x
  2. Step 2: Convert to fraction form
    115,869.27/173,663.54 = 49,169.28/x
  3. Step 3: Cross multiply
    115,869.27x = 173,663.54 × 49,169.28
  4. Step 4: Simplify right side
    115,869.27x = 8,538,911,113.55
  5. Step 5: Solve for x
    x = 8,538,911,113.55/115,869.27
  6. Step 6: Final answer
    x = 73,694.36

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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.