Home / 106,217.98-159,272.08-31,328.59

Finding the Fourth Proportional to 106,217.98, 159,272.08 and 31,328.59

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Solution

The fourth proportional to 106,217.98, 159,272.08 and 31,328.59 is: 46,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,217.98 : 159,272.08 = 31,328.59 : x
  2. Step 2: Convert to fraction form
    106,217.98/159,272.08 = 31,328.59/x
  3. Step 3: Cross multiply
    106,217.98x = 159,272.08 × 31,328.59
  4. Step 4: Simplify right side
    106,217.98x = 4,989,769,692.77
  5. Step 5: Solve for x
    x = 4,989,769,692.77/106,217.98
  6. Step 6: Final answer
    x = 46,976.70

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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.