Home / 101,246.34-139,719.30-55,927.26

Finding the Fourth Proportional to 101,246.34, 139,719.30 and 55,927.26

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Solution

The fourth proportional to 101,246.34, 139,719.30 and 55,927.26 is: 77,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,246.34 : 139,719.30 = 55,927.26 : x
  2. Step 2: Convert to fraction form
    101,246.34/139,719.30 = 55,927.26/x
  3. Step 3: Cross multiply
    101,246.34x = 139,719.30 × 55,927.26
  4. Step 4: Simplify right side
    101,246.34x = 7,814,117,618.12
  5. Step 5: Solve for x
    x = 7,814,117,618.12/101,246.34
  6. Step 6: Final answer
    x = 77,179.26

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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.