Home / 87,214.03-120,356.62-48,981.85

Finding the Fourth Proportional to 87,214.03, 120,356.62 and 48,981.85

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Solution

The fourth proportional to 87,214.03, 120,356.62 and 48,981.85 is: 67,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,214.03 : 120,356.62 = 48,981.85 : x
  2. Step 2: Convert to fraction form
    87,214.03/120,356.62 = 48,981.85/x
  3. Step 3: Cross multiply
    87,214.03x = 120,356.62 × 48,981.85
  4. Step 4: Simplify right side
    87,214.03x = 5,895,289,907.35
  5. Step 5: Solve for x
    x = 5,895,289,907.35/87,214.03
  6. Step 6: Final answer
    x = 67,595.66

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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.