Home / 75,033.51-112,550.46-30,660.26

Finding the Fourth Proportional to 75,033.51, 112,550.46 and 30,660.26

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Solution

The fourth proportional to 75,033.51, 112,550.46 and 30,660.26 is: 45,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,033.51 : 112,550.46 = 30,660.26 : x
  2. Step 2: Convert to fraction form
    75,033.51/112,550.46 = 30,660.26/x
  3. Step 3: Cross multiply
    75,033.51x = 112,550.46 × 30,660.26
  4. Step 4: Simplify right side
    75,033.51x = 3,450,826,366.72
  5. Step 5: Solve for x
    x = 3,450,826,366.72/75,033.51
  6. Step 6: Final answer
    x = 45,990.47

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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.