Home / 54,756.83-82,143.33-17,308.40

Finding the Fourth Proportional to 54,756.83, 82,143.33 and 17,308.40

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Solution

The fourth proportional to 54,756.83, 82,143.33 and 17,308.40 is: 25,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.83 : 82,143.33 = 17,308.40 : x
  2. Step 2: Convert to fraction form
    54,756.83/82,143.33 = 17,308.40/x
  3. Step 3: Cross multiply
    54,756.83x = 82,143.33 × 17,308.40
  4. Step 4: Simplify right side
    54,756.83x = 1,421,769,818.33
  5. Step 5: Solve for x
    x = 1,421,769,818.33/54,756.83
  6. Step 6: Final answer
    x = 25,965.16

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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.