Home / 87,107.04-120,207.68-47,363.04

Finding the Fourth Proportional to 87,107.04, 120,207.68 and 47,363.04

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Solution

The fourth proportional to 87,107.04, 120,207.68 and 47,363.04 is: 65,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,107.04 : 120,207.68 = 47,363.04 : x
  2. Step 2: Convert to fraction form
    87,107.04/120,207.68 = 47,363.04/x
  3. Step 3: Cross multiply
    87,107.04x = 120,207.68 × 47,363.04
  4. Step 4: Simplify right side
    87,107.04x = 5,693,401,156.15
  5. Step 5: Solve for x
    x = 5,693,401,156.15/87,107.04
  6. Step 6: Final answer
    x = 65,360.98

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1.5x scale

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.