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Finding the Fourth Proportional to 55,159.79, 82,759.73 and 27,076.88

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Solution

The fourth proportional to 55,159.79, 82,759.73 and 27,076.88 is: 40,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.79 : 82,759.73 = 27,076.88 : x
  2. Step 2: Convert to fraction form
    55,159.79/82,759.73 = 27,076.88/x
  3. Step 3: Cross multiply
    55,159.79x = 82,759.73 × 27,076.88
  4. Step 4: Simplify right side
    55,159.79x = 2,240,875,349.56
  5. Step 5: Solve for x
    x = 2,240,875,349.56/55,159.79
  6. Step 6: Final answer
    x = 40,625.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.