Home / 57,536.89-86,326.05-20,102.47

Finding the Fourth Proportional to 57,536.89, 86,326.05 and 20,102.47

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Solution

The fourth proportional to 57,536.89, 86,326.05 and 20,102.47 is: 30,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,536.89 : 86,326.05 = 20,102.47 : x
  2. Step 2: Convert to fraction form
    57,536.89/86,326.05 = 20,102.47/x
  3. Step 3: Cross multiply
    57,536.89x = 86,326.05 × 20,102.47
  4. Step 4: Simplify right side
    57,536.89x = 1,735,366,830.34
  5. Step 5: Solve for x
    x = 1,735,366,830.34/57,536.89
  6. Step 6: Final answer
    x = 30,160.94

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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.