Home / 102,008.24-140,764.50-61,744.36

Finding the Fourth Proportional to 102,008.24, 140,764.50 and 61,744.36

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Solution

The fourth proportional to 102,008.24, 140,764.50 and 61,744.36 is: 85,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,008.24 : 140,764.50 = 61,744.36 : x
  2. Step 2: Convert to fraction form
    102,008.24/140,764.50 = 61,744.36/x
  3. Step 3: Cross multiply
    102,008.24x = 140,764.50 × 61,744.36
  4. Step 4: Simplify right side
    102,008.24x = 8,691,413,963.22
  5. Step 5: Solve for x
    x = 8,691,413,963.22/102,008.24
  6. Step 6: Final answer
    x = 85,203.06

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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.