Home / 75,998.16-113,999.20-36,007.76

Finding the Fourth Proportional to 75,998.16, 113,999.20 and 36,007.76

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Solution

The fourth proportional to 75,998.16, 113,999.20 and 36,007.76 is: 54,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,998.16 : 113,999.20 = 36,007.76 : x
  2. Step 2: Convert to fraction form
    75,998.16/113,999.20 = 36,007.76/x
  3. Step 3: Cross multiply
    75,998.16x = 113,999.20 × 36,007.76
  4. Step 4: Simplify right side
    75,998.16x = 4,104,855,833.79
  5. Step 5: Solve for x
    x = 4,104,855,833.79/75,998.16
  6. Step 6: Final answer
    x = 54,012.57

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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.