Home / 57,618.06-86,425.47-31,488.27

Finding the Fourth Proportional to 57,618.06, 86,425.47 and 31,488.27

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Solution

The fourth proportional to 57,618.06, 86,425.47 and 31,488.27 is: 47,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.06 : 86,425.47 = 31,488.27 : x
  2. Step 2: Convert to fraction form
    57,618.06/86,425.47 = 31,488.27/x
  3. Step 3: Cross multiply
    57,618.06x = 86,425.47 × 31,488.27
  4. Step 4: Simplify right side
    57,618.06x = 2,721,388,534.24
  5. Step 5: Solve for x
    x = 2,721,388,534.24/57,618.06
  6. Step 6: Final answer
    x = 47,231.52

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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.