Home / 63,921.84-96,021-54,080.88

Finding the Fourth Proportional to 63,921.84, 96,021 and 54,080.88

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Solution

The fourth proportional to 63,921.84, 96,021 and 54,080.88 is: 81,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,921.84 : 96,021 = 54,080.88 : x
  2. Step 2: Convert to fraction form
    63,921.84/96,021 = 54,080.88/x
  3. Step 3: Cross multiply
    63,921.84x = 96,021 × 54,080.88
  4. Step 4: Simplify right side
    63,921.84x = 5,192,900,178.48
  5. Step 5: Solve for x
    x = 5,192,900,178.48/63,921.84
  6. Step 6: Final answer
    x = 81,238.28

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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.