Home / 66,868.84-100,342.14-52,742.44

Finding the Fourth Proportional to 66,868.84, 100,342.14 and 52,742.44

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Solution

The fourth proportional to 66,868.84, 100,342.14 and 52,742.44 is: 79,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.84 : 100,342.14 = 52,742.44 : x
  2. Step 2: Convert to fraction form
    66,868.84/100,342.14 = 52,742.44/x
  3. Step 3: Cross multiply
    66,868.84x = 100,342.14 × 52,742.44
  4. Step 4: Simplify right side
    66,868.84x = 5,292,289,298.42
  5. Step 5: Solve for x
    x = 5,292,289,298.42/66,868.84
  6. Step 6: Final answer
    x = 79,144.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.