Home / 47,902.40-66,102.11-27,755.69

Finding the Fourth Proportional to 47,902.40, 66,102.11 and 27,755.69

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Solution

The fourth proportional to 47,902.40, 66,102.11 and 27,755.69 is: 38,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902.40 : 66,102.11 = 27,755.69 : x
  2. Step 2: Convert to fraction form
    47,902.40/66,102.11 = 27,755.69/x
  3. Step 3: Cross multiply
    47,902.40x = 66,102.11 × 27,755.69
  4. Step 4: Simplify right side
    47,902.40x = 1,834,709,204.22
  5. Step 5: Solve for x
    x = 1,834,709,204.22/47,902.40
  6. Step 6: Final answer
    x = 38,300.99

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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.