Home / 57,222.30-78,971.49-31,736.82

Finding the Fourth Proportional to 57,222.30, 78,971.49 and 31,736.82

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Solution

The fourth proportional to 57,222.30, 78,971.49 and 31,736.82 is: 43,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,222.30 : 78,971.49 = 31,736.82 : x
  2. Step 2: Convert to fraction form
    57,222.30/78,971.49 = 31,736.82/x
  3. Step 3: Cross multiply
    57,222.30x = 78,971.49 × 31,736.82
  4. Step 4: Simplify right side
    57,222.30x = 2,506,303,963.26
  5. Step 5: Solve for x
    x = 2,506,303,963.26/57,222.30
  6. Step 6: Final answer
    x = 43,799.43

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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.