Home / 87,495.39-120,742.20-48,732.84

Finding the Fourth Proportional to 87,495.39, 120,742.20 and 48,732.84

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Solution

The fourth proportional to 87,495.39, 120,742.20 and 48,732.84 is: 67,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,495.39 : 120,742.20 = 48,732.84 : x
  2. Step 2: Convert to fraction form
    87,495.39/120,742.20 = 48,732.84/x
  3. Step 3: Cross multiply
    87,495.39x = 120,742.20 × 48,732.84
  4. Step 4: Simplify right side
    87,495.39x = 5,884,110,313.85
  5. Step 5: Solve for x
    x = 5,884,110,313.85/87,495.39
  6. Step 6: Final answer
    x = 67,250.52

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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.