Home / 87,066.49-120,151.65-50,769.42

Finding the Fourth Proportional to 87,066.49, 120,151.65 and 50,769.42

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Solution

The fourth proportional to 87,066.49, 120,151.65 and 50,769.42 is: 70,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,066.49 : 120,151.65 = 50,769.42 : x
  2. Step 2: Convert to fraction form
    87,066.49/120,151.65 = 50,769.42/x
  3. Step 3: Cross multiply
    87,066.49x = 120,151.65 × 50,769.42
  4. Step 4: Simplify right side
    87,066.49x = 6,100,029,582.54
  5. Step 5: Solve for x
    x = 6,100,029,582.54/87,066.49
  6. Step 6: Final answer
    x = 70,061.74

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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.