Home / 66,678.26-100,017.18-22,294.86

Finding the Fourth Proportional to 66,678.26, 100,017.18 and 22,294.86

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Solution

The fourth proportional to 66,678.26, 100,017.18 and 22,294.86 is: 33,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,678.26 : 100,017.18 = 22,294.86 : x
  2. Step 2: Convert to fraction form
    66,678.26/100,017.18 = 22,294.86/x
  3. Step 3: Cross multiply
    66,678.26x = 100,017.18 × 22,294.86
  4. Step 4: Simplify right side
    66,678.26x = 2,229,869,025.69
  5. Step 5: Solve for x
    x = 2,229,869,025.69/66,678.26
  6. Step 6: Final answer
    x = 33,442.22

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1.5x scale

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.