Home / 57,003.03-78,665.85-31,852.53

Finding the Fourth Proportional to 57,003.03, 78,665.85 and 31,852.53

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Solution

The fourth proportional to 57,003.03, 78,665.85 and 31,852.53 is: 43,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.03 : 78,665.85 = 31,852.53 : x
  2. Step 2: Convert to fraction form
    57,003.03/78,665.85 = 31,852.53/x
  3. Step 3: Cross multiply
    57,003.03x = 78,665.85 × 31,852.53
  4. Step 4: Simplify right side
    57,003.03x = 2,505,706,347.10
  5. Step 5: Solve for x
    x = 2,505,706,347.10/57,003.03
  6. Step 6: Final answer
    x = 43,957.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.