Home / 99,955.85-137,942.26-54,632.84

Finding the Fourth Proportional to 99,955.85, 137,942.26 and 54,632.84

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Solution

The fourth proportional to 99,955.85, 137,942.26 and 54,632.84 is: 75,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,955.85 : 137,942.26 = 54,632.84 : x
  2. Step 2: Convert to fraction form
    99,955.85/137,942.26 = 54,632.84/x
  3. Step 3: Cross multiply
    99,955.85x = 137,942.26 × 54,632.84
  4. Step 4: Simplify right side
    99,955.85x = 7,536,176,593.53
  5. Step 5: Solve for x
    x = 7,536,176,593.53/99,955.85
  6. Step 6: Final answer
    x = 75,395.06

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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.