Home / 47,905.08-66,109-27,773.64

Finding the Fourth Proportional to 47,905.08, 66,109 and 27,773.64

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Solution

The fourth proportional to 47,905.08, 66,109 and 27,773.64 is: 38,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.08 : 66,109 = 27,773.64 : x
  2. Step 2: Convert to fraction form
    47,905.08/66,109 = 27,773.64/x
  3. Step 3: Cross multiply
    47,905.08x = 66,109 × 27,773.64
  4. Step 4: Simplify right side
    47,905.08x = 1,836,087,566.76
  5. Step 5: Solve for x
    x = 1,836,087,566.76/47,905.08
  6. Step 6: Final answer
    x = 38,327.62

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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.