Home / 47,920.24-66,127.08-27,775.54

Finding the Fourth Proportional to 47,920.24, 66,127.08 and 27,775.54

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Solution

The fourth proportional to 47,920.24, 66,127.08 and 27,775.54 is: 38,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.24 : 66,127.08 = 27,775.54 : x
  2. Step 2: Convert to fraction form
    47,920.24/66,127.08 = 27,775.54/x
  3. Step 3: Cross multiply
    47,920.24x = 66,127.08 × 27,775.54
  4. Step 4: Simplify right side
    47,920.24x = 1,836,715,355.62
  5. Step 5: Solve for x
    x = 1,836,715,355.62/47,920.24
  6. Step 6: Final answer
    x = 38,328.59

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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.