Home / 54,810.20-82,215.30-46,645.40

Finding the Fourth Proportional to 54,810.20, 82,215.30 and 46,645.40

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Solution

The fourth proportional to 54,810.20, 82,215.30 and 46,645.40 is: 69,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.20 : 82,215.30 = 46,645.40 : x
  2. Step 2: Convert to fraction form
    54,810.20/82,215.30 = 46,645.40/x
  3. Step 3: Cross multiply
    54,810.20x = 82,215.30 × 46,645.40
  4. Step 4: Simplify right side
    54,810.20x = 3,834,965,554.62
  5. Step 5: Solve for x
    x = 3,834,965,554.62/54,810.20
  6. Step 6: Final answer
    x = 69,968.10

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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.