Home / 75,632.68-113,449.16-31,210.66

Finding the Fourth Proportional to 75,632.68, 113,449.16 and 31,210.66

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Solution

The fourth proportional to 75,632.68, 113,449.16 and 31,210.66 is: 46,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,632.68 : 113,449.16 = 31,210.66 : x
  2. Step 2: Convert to fraction form
    75,632.68/113,449.16 = 31,210.66/x
  3. Step 3: Cross multiply
    75,632.68x = 113,449.16 × 31,210.66
  4. Step 4: Simplify right side
    75,632.68x = 3,540,823,160.05
  5. Step 5: Solve for x
    x = 3,540,823,160.05/75,632.68
  6. Step 6: Final answer
    x = 46,816.05

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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.