Home / 62,578.85-93,874.04-20,459.15

Finding the Fourth Proportional to 62,578.85, 93,874.04 and 20,459.15

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Solution

The fourth proportional to 62,578.85, 93,874.04 and 20,459.15 is: 30,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578.85 : 93,874.04 = 20,459.15 : x
  2. Step 2: Convert to fraction form
    62,578.85/93,874.04 = 20,459.15/x
  3. Step 3: Cross multiply
    62,578.85x = 93,874.04 × 20,459.15
  4. Step 4: Simplify right side
    62,578.85x = 1,920,583,197.86
  5. Step 5: Solve for x
    x = 1,920,583,197.86/62,578.85
  6. Step 6: Final answer
    x = 30,690.61

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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.