Home / 101,006.36-139,389.30-58,589.96

Finding the Fourth Proportional to 101,006.36, 139,389.30 and 58,589.96

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Solution

The fourth proportional to 101,006.36, 139,389.30 and 58,589.96 is: 80,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,006.36 : 139,389.30 = 58,589.96 : x
  2. Step 2: Convert to fraction form
    101,006.36/139,389.30 = 58,589.96/x
  3. Step 3: Cross multiply
    101,006.36x = 139,389.30 × 58,589.96
  4. Step 4: Simplify right side
    101,006.36x = 8,166,813,511.43
  5. Step 5: Solve for x
    x = 8,166,813,511.43/101,006.36
  6. Step 6: Final answer
    x = 80,854.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.