Home / 66,358.62-99,535.50-16,438.86

Finding the Fourth Proportional to 66,358.62, 99,535.50 and 16,438.86

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Solution

The fourth proportional to 66,358.62, 99,535.50 and 16,438.86 is: 24,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,358.62 : 99,535.50 = 16,438.86 : x
  2. Step 2: Convert to fraction form
    66,358.62/99,535.50 = 16,438.86/x
  3. Step 3: Cross multiply
    66,358.62x = 99,535.50 × 16,438.86
  4. Step 4: Simplify right side
    66,358.62x = 1,636,250,149.53
  5. Step 5: Solve for x
    x = 1,636,250,149.53/66,358.62
  6. Step 6: Final answer
    x = 24,657.69

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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.