Home / 57,127.66-85,695.12-17,681.46

Finding the Fourth Proportional to 57,127.66, 85,695.12 and 17,681.46

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Solution

The fourth proportional to 57,127.66, 85,695.12 and 17,681.46 is: 26,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.66 : 85,695.12 = 17,681.46 : x
  2. Step 2: Convert to fraction form
    57,127.66/85,695.12 = 17,681.46/x
  3. Step 3: Cross multiply
    57,127.66x = 85,695.12 × 17,681.46
  4. Step 4: Simplify right side
    57,127.66x = 1,515,214,836.48
  5. Step 5: Solve for x
    x = 1,515,214,836.48/57,127.66
  6. Step 6: Final answer
    x = 26,523.31

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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.