Home / 36,089.78-54,113.81-11,123.12

Finding the Fourth Proportional to 36,089.78, 54,113.81 and 11,123.12

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Solution

The fourth proportional to 36,089.78, 54,113.81 and 11,123.12 is: 16,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.78 : 54,113.81 = 11,123.12 : x
  2. Step 2: Convert to fraction form
    36,089.78/54,113.81 = 11,123.12/x
  3. Step 3: Cross multiply
    36,089.78x = 54,113.81 × 11,123.12
  4. Step 4: Simplify right side
    36,089.78x = 601,914,076.10
  5. Step 5: Solve for x
    x = 601,914,076.10/36,089.78
  6. Step 6: Final answer
    x = 16,678.24

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1.5x scale

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.