Home / 54,377.69-81,562.89-14,931.50

Finding the Fourth Proportional to 54,377.69, 81,562.89 and 14,931.50

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Solution

The fourth proportional to 54,377.69, 81,562.89 and 14,931.50 is: 22,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377.69 : 81,562.89 = 14,931.50 : x
  2. Step 2: Convert to fraction form
    54,377.69/81,562.89 = 14,931.50/x
  3. Step 3: Cross multiply
    54,377.69x = 81,562.89 × 14,931.50
  4. Step 4: Simplify right side
    54,377.69x = 1,217,856,292.04
  5. Step 5: Solve for x
    x = 1,217,856,292.04/54,377.69
  6. Step 6: Final answer
    x = 22,396.25

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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.