Home / 101,253.49-139,729.26-55,934.59

Finding the Fourth Proportional to 101,253.49, 139,729.26 and 55,934.59

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Solution

The fourth proportional to 101,253.49, 139,729.26 and 55,934.59 is: 77,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,253.49 : 139,729.26 = 55,934.59 : x
  2. Step 2: Convert to fraction form
    101,253.49/139,729.26 = 55,934.59/x
  3. Step 3: Cross multiply
    101,253.49x = 139,729.26 × 55,934.59
  4. Step 4: Simplify right side
    101,253.49x = 7,815,698,869.10
  5. Step 5: Solve for x
    x = 7,815,698,869.10/101,253.49
  6. Step 6: Final answer
    x = 77,189.43

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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.