Home / 87,093.66-120,214.83-56,883.60

Finding the Fourth Proportional to 87,093.66, 120,214.83 and 56,883.60

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Solution

The fourth proportional to 87,093.66, 120,214.83 and 56,883.60 is: 78,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,093.66 : 120,214.83 = 56,883.60 : x
  2. Step 2: Convert to fraction form
    87,093.66/120,214.83 = 56,883.60/x
  3. Step 3: Cross multiply
    87,093.66x = 120,214.83 × 56,883.60
  4. Step 4: Simplify right side
    87,093.66x = 6,838,252,303.79
  5. Step 5: Solve for x
    x = 6,838,252,303.79/87,093.66
  6. Step 6: Final answer
    x = 78,516.07

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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.