Home / 75,950.43-113,925.19-30,971.61

Finding the Fourth Proportional to 75,950.43, 113,925.19 and 30,971.61

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Solution

The fourth proportional to 75,950.43, 113,925.19 and 30,971.61 is: 46,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,950.43 : 113,925.19 = 30,971.61 : x
  2. Step 2: Convert to fraction form
    75,950.43/113,925.19 = 30,971.61/x
  3. Step 3: Cross multiply
    75,950.43x = 113,925.19 × 30,971.61
  4. Step 4: Simplify right side
    75,950.43x = 3,528,446,553.86
  5. Step 5: Solve for x
    x = 3,528,446,553.86/75,950.43
  6. Step 6: Final answer
    x = 46,457.23

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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.