Home / 75,257.50-112,664.80-50,235.48

Finding the Fourth Proportional to 75,257.50, 112,664.80 and 50,235.48

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Solution

The fourth proportional to 75,257.50, 112,664.80 and 50,235.48 is: 75,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,257.50 : 112,664.80 = 50,235.48 : x
  2. Step 2: Convert to fraction form
    75,257.50/112,664.80 = 50,235.48/x
  3. Step 3: Cross multiply
    75,257.50x = 112,664.80 × 50,235.48
  4. Step 4: Simplify right side
    75,257.50x = 5,659,770,307.10
  5. Step 5: Solve for x
    x = 5,659,770,307.10/75,257.50
  6. Step 6: Final answer
    x = 75,205.40

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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.