Home / 60,138.01-82,991.81-38,954.14

Finding the Fourth Proportional to 60,138.01, 82,991.81 and 38,954.14

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Solution

The fourth proportional to 60,138.01, 82,991.81 and 38,954.14 is: 53,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.01 : 82,991.81 = 38,954.14 : x
  2. Step 2: Convert to fraction form
    60,138.01/82,991.81 = 38,954.14/x
  3. Step 3: Cross multiply
    60,138.01x = 82,991.81 × 38,954.14
  4. Step 4: Simplify right side
    60,138.01x = 3,232,874,585.59
  5. Step 5: Solve for x
    x = 3,232,874,585.59/60,138.01
  6. Step 6: Final answer
    x = 53,757.59

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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.