Home / 54,360.08-81,548.21-19,296.80

Finding the Fourth Proportional to 54,360.08, 81,548.21 and 19,296.80

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Solution

The fourth proportional to 54,360.08, 81,548.21 and 19,296.80 is: 28,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.08 : 81,548.21 = 19,296.80 : x
  2. Step 2: Convert to fraction form
    54,360.08/81,548.21 = 19,296.80/x
  3. Step 3: Cross multiply
    54,360.08x = 81,548.21 × 19,296.80
  4. Step 4: Simplify right side
    54,360.08x = 1,573,619,139.23
  5. Step 5: Solve for x
    x = 1,573,619,139.23/54,360.08
  6. Step 6: Final answer
    x = 28,948.07

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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.