Home / 115,519.52-173,227.44-53,156

Finding the Fourth Proportional to 115,519.52, 173,227.44 and 53,156

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Solution

The fourth proportional to 115,519.52, 173,227.44 and 53,156 is: 79,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,519.52 : 173,227.44 = 53,156 : x
  2. Step 2: Convert to fraction form
    115,519.52/173,227.44 = 53,156/x
  3. Step 3: Cross multiply
    115,519.52x = 173,227.44 × 53,156
  4. Step 4: Simplify right side
    115,519.52x = 9,208,077,800.64
  5. Step 5: Solve for x
    x = 9,208,077,800.64/115,519.52
  6. Step 6: Final answer
    x = 79,710.15

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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.