Home / 54,462.14-81,698.26-21,184.74

Finding the Fourth Proportional to 54,462.14, 81,698.26 and 21,184.74

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Solution

The fourth proportional to 54,462.14, 81,698.26 and 21,184.74 is: 31,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462.14 : 81,698.26 = 21,184.74 : x
  2. Step 2: Convert to fraction form
    54,462.14/81,698.26 = 21,184.74/x
  3. Step 3: Cross multiply
    54,462.14x = 81,698.26 × 21,184.74
  4. Step 4: Simplify right side
    54,462.14x = 1,730,756,396.55
  5. Step 5: Solve for x
    x = 1,730,756,396.55/54,462.14
  6. Step 6: Final answer
    x = 31,779.07

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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.