Home / 99,884.42-137,835.23-54,561.75

Finding the Fourth Proportional to 99,884.42, 137,835.23 and 54,561.75

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Solution

The fourth proportional to 99,884.42, 137,835.23 and 54,561.75 is: 75,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,884.42 : 137,835.23 = 54,561.75 : x
  2. Step 2: Convert to fraction form
    99,884.42/137,835.23 = 54,561.75/x
  3. Step 3: Cross multiply
    99,884.42x = 137,835.23 × 54,561.75
  4. Step 4: Simplify right side
    99,884.42x = 7,520,531,360.45
  5. Step 5: Solve for x
    x = 7,520,531,360.45/99,884.42
  6. Step 6: Final answer
    x = 75,292.34

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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.