Home / 47,902.20-66,101.85-27,755.50

Finding the Fourth Proportional to 47,902.20, 66,101.85 and 27,755.50

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Solution

The fourth proportional to 47,902.20, 66,101.85 and 27,755.50 is: 38,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902.20 : 66,101.85 = 27,755.50 : x
  2. Step 2: Convert to fraction form
    47,902.20/66,101.85 = 27,755.50/x
  3. Step 3: Cross multiply
    47,902.20x = 66,101.85 × 27,755.50
  4. Step 4: Simplify right side
    47,902.20x = 1,834,689,567.17
  5. Step 5: Solve for x
    x = 1,834,689,567.17/47,902.20
  6. Step 6: Final answer
    x = 38,300.74

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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.