Home / 54,336.90-81,595.89-36,681.42

Finding the Fourth Proportional to 54,336.90, 81,595.89 and 36,681.42

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Solution

The fourth proportional to 54,336.90, 81,595.89 and 36,681.42 is: 55,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336.90 : 81,595.89 = 36,681.42 : x
  2. Step 2: Convert to fraction form
    54,336.90/81,595.89 = 36,681.42/x
  3. Step 3: Cross multiply
    54,336.90x = 81,595.89 × 36,681.42
  4. Step 4: Simplify right side
    54,336.90x = 2,993,053,111.36
  5. Step 5: Solve for x
    x = 2,993,053,111.36/54,336.90
  6. Step 6: Final answer
    x = 55,083.25

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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.