Home / 75,911.27-113,790.70-25,957.21

Finding the Fourth Proportional to 75,911.27, 113,790.70 and 25,957.21

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Solution

The fourth proportional to 75,911.27, 113,790.70 and 25,957.21 is: 38,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.27 : 113,790.70 = 25,957.21 : x
  2. Step 2: Convert to fraction form
    75,911.27/113,790.70 = 25,957.21/x
  3. Step 3: Cross multiply
    75,911.27x = 113,790.70 × 25,957.21
  4. Step 4: Simplify right side
    75,911.27x = 2,953,688,397.21
  5. Step 5: Solve for x
    x = 2,953,688,397.21/75,911.27
  6. Step 6: Final answer
    x = 38,909.75

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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.