Home / 57,412.44-86,127.57-29,317.28

Finding the Fourth Proportional to 57,412.44, 86,127.57 and 29,317.28

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Solution

The fourth proportional to 57,412.44, 86,127.57 and 29,317.28 is: 43,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,412.44 : 86,127.57 = 29,317.28 : x
  2. Step 2: Convert to fraction form
    57,412.44/86,127.57 = 29,317.28/x
  3. Step 3: Cross multiply
    57,412.44x = 86,127.57 × 29,317.28
  4. Step 4: Simplify right side
    57,412.44x = 2,525,025,654.77
  5. Step 5: Solve for x
    x = 2,525,025,654.77/57,412.44
  6. Step 6: Final answer
    x = 43,980.46

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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.