Home / 83,760.48-115,586.29-47,953.82

Finding the Fourth Proportional to 83,760.48, 115,586.29 and 47,953.82

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Solution

The fourth proportional to 83,760.48, 115,586.29 and 47,953.82 is: 66,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,760.48 : 115,586.29 = 47,953.82 : x
  2. Step 2: Convert to fraction form
    83,760.48/115,586.29 = 47,953.82/x
  3. Step 3: Cross multiply
    83,760.48x = 115,586.29 × 47,953.82
  4. Step 4: Simplify right side
    83,760.48x = 5,542,804,494.04
  5. Step 5: Solve for x
    x = 5,542,804,494.04/83,760.48
  6. Step 6: Final answer
    x = 66,174.46

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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.