Home / 101,253.23-139,730.53-55,932.41

Finding the Fourth Proportional to 101,253.23, 139,730.53 and 55,932.41

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Solution

The fourth proportional to 101,253.23, 139,730.53 and 55,932.41 is: 77,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,253.23 : 139,730.53 = 55,932.41 : x
  2. Step 2: Convert to fraction form
    101,253.23/139,730.53 = 55,932.41/x
  3. Step 3: Cross multiply
    101,253.23x = 139,730.53 × 55,932.41
  4. Step 4: Simplify right side
    101,253.23x = 7,815,465,293.48
  5. Step 5: Solve for x
    x = 7,815,465,293.48/101,253.23
  6. Step 6: Final answer
    x = 77,187.32

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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.