Home / 83,491.25-125,253.27-30,901.19

Finding the Fourth Proportional to 83,491.25, 125,253.27 and 30,901.19

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Solution

The fourth proportional to 83,491.25, 125,253.27 and 30,901.19 is: 46,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,491.25 : 125,253.27 = 30,901.19 : x
  2. Step 2: Convert to fraction form
    83,491.25/125,253.27 = 30,901.19/x
  3. Step 3: Cross multiply
    83,491.25x = 125,253.27 × 30,901.19
  4. Step 4: Simplify right side
    83,491.25x = 3,870,474,468.12
  5. Step 5: Solve for x
    x = 3,870,474,468.12/83,491.25
  6. Step 6: Final answer
    x = 46,357.85

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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.