Home / 54,658.43-81,987.66-42,196.65

Finding the Fourth Proportional to 54,658.43, 81,987.66 and 42,196.65

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Solution

The fourth proportional to 54,658.43, 81,987.66 and 42,196.65 is: 63,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.43 : 81,987.66 = 42,196.65 : x
  2. Step 2: Convert to fraction form
    54,658.43/81,987.66 = 42,196.65/x
  3. Step 3: Cross multiply
    54,658.43x = 81,987.66 × 42,196.65
  4. Step 4: Simplify right side
    54,658.43x = 3,459,604,285.89
  5. Step 5: Solve for x
    x = 3,459,604,285.89/54,658.43
  6. Step 6: Final answer
    x = 63,294.98

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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.