Home / 115,742.80-173,626.50-36,838.58

Finding the Fourth Proportional to 115,742.80, 173,626.50 and 36,838.58

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Solution

The fourth proportional to 115,742.80, 173,626.50 and 36,838.58 is: 55,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,742.80 : 173,626.50 = 36,838.58 : x
  2. Step 2: Convert to fraction form
    115,742.80/173,626.50 = 36,838.58/x
  3. Step 3: Cross multiply
    115,742.80x = 173,626.50 × 36,838.58
  4. Step 4: Simplify right side
    115,742.80x = 6,396,153,710.37
  5. Step 5: Solve for x
    x = 6,396,153,710.37/115,742.80
  6. Step 6: Final answer
    x = 55,261.78

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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.