Home / 47,900.64-66,102.87-27,769.20

Finding the Fourth Proportional to 47,900.64, 66,102.87 and 27,769.20

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Solution

The fourth proportional to 47,900.64, 66,102.87 and 27,769.20 is: 38,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.64 : 66,102.87 = 27,769.20 : x
  2. Step 2: Convert to fraction form
    47,900.64/66,102.87 = 27,769.20/x
  3. Step 3: Cross multiply
    47,900.64x = 66,102.87 × 27,769.20
  4. Step 4: Simplify right side
    47,900.64x = 1,835,623,817.60
  5. Step 5: Solve for x
    x = 1,835,623,817.60/47,900.64
  6. Step 6: Final answer
    x = 38,321.49

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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.