Home / 102,605.91-153,625.44-52,578.27

Finding the Fourth Proportional to 102,605.91, 153,625.44 and 52,578.27

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Solution

The fourth proportional to 102,605.91, 153,625.44 and 52,578.27 is: 78,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,605.91 : 153,625.44 = 52,578.27 : x
  2. Step 2: Convert to fraction form
    102,605.91/153,625.44 = 52,578.27/x
  3. Step 3: Cross multiply
    102,605.91x = 153,625.44 × 52,578.27
  4. Step 4: Simplify right side
    102,605.91x = 8,077,359,863.19
  5. Step 5: Solve for x
    x = 8,077,359,863.19/102,605.91
  6. Step 6: Final answer
    x = 78,722.17

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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.