Home / 57,107.07-85,671.53-17,657.23

Finding the Fourth Proportional to 57,107.07, 85,671.53 and 17,657.23

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Solution

The fourth proportional to 57,107.07, 85,671.53 and 17,657.23 is: 26,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.07 : 85,671.53 = 17,657.23 : x
  2. Step 2: Convert to fraction form
    57,107.07/85,671.53 = 17,657.23/x
  3. Step 3: Cross multiply
    57,107.07x = 85,671.53 × 17,657.23
  4. Step 4: Simplify right side
    57,107.07x = 1,512,721,909.66
  5. Step 5: Solve for x
    x = 1,512,721,909.66/57,107.07
  6. Step 6: Final answer
    x = 26,489.22

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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.