Home / 57,713.20-86,551.80-22,663.60

Finding the Fourth Proportional to 57,713.20, 86,551.80 and 22,663.60

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Solution

The fourth proportional to 57,713.20, 86,551.80 and 22,663.60 is: 33,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.20 : 86,551.80 = 22,663.60 : x
  2. Step 2: Convert to fraction form
    57,713.20/86,551.80 = 22,663.60/x
  3. Step 3: Cross multiply
    57,713.20x = 86,551.80 × 22,663.60
  4. Step 4: Simplify right side
    57,713.20x = 1,961,575,374.48
  5. Step 5: Solve for x
    x = 1,961,575,374.48/57,713.20
  6. Step 6: Final answer
    x = 33,988.33

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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.