Home / 45,033.30-62,145.90-27,129.06

Finding the Fourth Proportional to 45,033.30, 62,145.90 and 27,129.06

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Solution

The fourth proportional to 45,033.30, 62,145.90 and 27,129.06 is: 37,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,033.30 : 62,145.90 = 27,129.06 : x
  2. Step 2: Convert to fraction form
    45,033.30/62,145.90 = 27,129.06/x
  3. Step 3: Cross multiply
    45,033.30x = 62,145.90 × 27,129.06
  4. Step 4: Simplify right side
    45,033.30x = 1,685,959,849.85
  5. Step 5: Solve for x
    x = 1,685,959,849.85/45,033.30
  6. Step 6: Final answer
    x = 37,438.07

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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.