Home / 50,138.76-69,173.04-29,996.16

Finding the Fourth Proportional to 50,138.76, 69,173.04 and 29,996.16

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Solution

The fourth proportional to 50,138.76, 69,173.04 and 29,996.16 is: 41,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.76 : 69,173.04 = 29,996.16 : x
  2. Step 2: Convert to fraction form
    50,138.76/69,173.04 = 29,996.16/x
  3. Step 3: Cross multiply
    50,138.76x = 69,173.04 × 29,996.16
  4. Step 4: Simplify right side
    50,138.76x = 2,074,925,575.53
  5. Step 5: Solve for x
    x = 2,074,925,575.53/50,138.76
  6. Step 6: Final answer
    x = 41,383.66

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Half scale
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Double scale
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1.5x scale

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.