Home / 54,878.49-82,230.24-35,140.80

Finding the Fourth Proportional to 54,878.49, 82,230.24 and 35,140.80

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Solution

The fourth proportional to 54,878.49, 82,230.24 and 35,140.80 is: 52,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.49 : 82,230.24 = 35,140.80 : x
  2. Step 2: Convert to fraction form
    54,878.49/82,230.24 = 35,140.80/x
  3. Step 3: Cross multiply
    54,878.49x = 82,230.24 × 35,140.80
  4. Step 4: Simplify right side
    54,878.49x = 2,889,636,417.79
  5. Step 5: Solve for x
    x = 2,889,636,417.79/54,878.49
  6. Step 6: Final answer
    x = 52,655.17

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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.