Home / 75,561.28-113,342.12-36,109.42

Finding the Fourth Proportional to 75,561.28, 113,342.12 and 36,109.42

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Solution

The fourth proportional to 75,561.28, 113,342.12 and 36,109.42 is: 54,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,561.28 : 113,342.12 = 36,109.42 : x
  2. Step 2: Convert to fraction form
    75,561.28/113,342.12 = 36,109.42/x
  3. Step 3: Cross multiply
    75,561.28x = 113,342.12 × 36,109.42
  4. Step 4: Simplify right side
    75,561.28x = 4,092,718,214.77
  5. Step 5: Solve for x
    x = 4,092,718,214.77/75,561.28
  6. Step 6: Final answer
    x = 54,164.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.