Home / 101,252.22-139,725.34-55,929.23

Finding the Fourth Proportional to 101,252.22, 139,725.34 and 55,929.23

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Solution

The fourth proportional to 101,252.22, 139,725.34 and 55,929.23 is: 77,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,252.22 : 139,725.34 = 55,929.23 : x
  2. Step 2: Convert to fraction form
    101,252.22/139,725.34 = 55,929.23/x
  3. Step 3: Cross multiply
    101,252.22x = 139,725.34 × 55,929.23
  4. Step 4: Simplify right side
    101,252.22x = 7,814,730,677.69
  5. Step 5: Solve for x
    x = 7,814,730,677.69/101,252.22
  6. Step 6: Final answer
    x = 77,180.83

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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.