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Finding the Fourth Proportional to 73,254.64, 101,091.46 and 39,720.64

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Solution

The fourth proportional to 73,254.64, 101,091.46 and 39,720.64 is: 54,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.64 : 101,091.46 = 39,720.64 : x
  2. Step 2: Convert to fraction form
    73,254.64/101,091.46 = 39,720.64/x
  3. Step 3: Cross multiply
    73,254.64x = 101,091.46 × 39,720.64
  4. Step 4: Simplify right side
    73,254.64x = 4,015,417,489.73
  5. Step 5: Solve for x
    x = 4,015,417,489.73/73,254.64
  6. Step 6: Final answer
    x = 54,814.51

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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.