Home / 115,696.85-173,567-52,521.41

Finding the Fourth Proportional to 115,696.85, 173,567 and 52,521.41

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Solution

The fourth proportional to 115,696.85, 173,567 and 52,521.41 is: 78,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,696.85 : 173,567 = 52,521.41 : x
  2. Step 2: Convert to fraction form
    115,696.85/173,567 = 52,521.41/x
  3. Step 3: Cross multiply
    115,696.85x = 173,567 × 52,521.41
  4. Step 4: Simplify right side
    115,696.85x = 9,115,983,569.47
  5. Step 5: Solve for x
    x = 9,115,983,569.47/115,696.85
  6. Step 6: Final answer
    x = 78,791.98

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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.