Home / 61,011.82-91,102.41-53,836.23

Finding the Fourth Proportional to 61,011.82, 91,102.41 and 53,836.23

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Solution

The fourth proportional to 61,011.82, 91,102.41 and 53,836.23 is: 80,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,011.82 : 91,102.41 = 53,836.23 : x
  2. Step 2: Convert to fraction form
    61,011.82/91,102.41 = 53,836.23/x
  3. Step 3: Cross multiply
    61,011.82x = 91,102.41 × 53,836.23
  4. Step 4: Simplify right side
    61,011.82x = 4,904,610,298.31
  5. Step 5: Solve for x
    x = 4,904,610,298.31/61,011.82
  6. Step 6: Final answer
    x = 80,387.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.