Home / 87,096.79-120,219.14-56,886.73

Finding the Fourth Proportional to 87,096.79, 120,219.14 and 56,886.73

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Solution

The fourth proportional to 87,096.79, 120,219.14 and 56,886.73 is: 78,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,096.79 : 120,219.14 = 56,886.73 : x
  2. Step 2: Convert to fraction form
    87,096.79/120,219.14 = 56,886.73/x
  3. Step 3: Cross multiply
    87,096.79x = 120,219.14 × 56,886.73
  4. Step 4: Simplify right side
    87,096.79x = 6,838,873,758.01
  5. Step 5: Solve for x
    x = 6,838,873,758.01/87,096.79
  6. Step 6: Final answer
    x = 78,520.39

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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.