Home / 57,148.56-85,731.84-17,696.34

Finding the Fourth Proportional to 57,148.56, 85,731.84 and 17,696.34

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Solution

The fourth proportional to 57,148.56, 85,731.84 and 17,696.34 is: 26,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,148.56 : 85,731.84 = 17,696.34 : x
  2. Step 2: Convert to fraction form
    57,148.56/85,731.84 = 17,696.34/x
  3. Step 3: Cross multiply
    57,148.56x = 85,731.84 × 17,696.34
  4. Step 4: Simplify right side
    57,148.56x = 1,517,139,789.47
  5. Step 5: Solve for x
    x = 1,517,139,789.47/57,148.56
  6. Step 6: Final answer
    x = 26,547.30

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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.