Home / 87,598.21-120,885.65-49,872.46

Finding the Fourth Proportional to 87,598.21, 120,885.65 and 49,872.46

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Solution

The fourth proportional to 87,598.21, 120,885.65 and 49,872.46 is: 68,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,598.21 : 120,885.65 = 49,872.46 : x
  2. Step 2: Convert to fraction form
    87,598.21/120,885.65 = 49,872.46/x
  3. Step 3: Cross multiply
    87,598.21x = 120,885.65 × 49,872.46
  4. Step 4: Simplify right side
    87,598.21x = 6,028,864,744.20
  5. Step 5: Solve for x
    x = 6,028,864,744.20/87,598.21
  6. Step 6: Final answer
    x = 68,824.06

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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.