Home / 57,308.14-85,963.27-19,869.43

Finding the Fourth Proportional to 57,308.14, 85,963.27 and 19,869.43

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Solution

The fourth proportional to 57,308.14, 85,963.27 and 19,869.43 is: 29,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,308.14 : 85,963.27 = 19,869.43 : x
  2. Step 2: Convert to fraction form
    57,308.14/85,963.27 = 19,869.43/x
  3. Step 3: Cross multiply
    57,308.14x = 85,963.27 × 19,869.43
  4. Step 4: Simplify right side
    57,308.14x = 1,708,041,126.16
  5. Step 5: Solve for x
    x = 1,708,041,126.16/57,308.14
  6. Step 6: Final answer
    x = 29,804.51

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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.