Home / 105,850.75-146,073.67-57,452.68

Finding the Fourth Proportional to 105,850.75, 146,073.67 and 57,452.68

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Solution

The fourth proportional to 105,850.75, 146,073.67 and 57,452.68 is: 79,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,850.75 : 146,073.67 = 57,452.68 : x
  2. Step 2: Convert to fraction form
    105,850.75/146,073.67 = 57,452.68/x
  3. Step 3: Cross multiply
    105,850.75x = 146,073.67 × 57,452.68
  4. Step 4: Simplify right side
    105,850.75x = 8,392,323,857.90
  5. Step 5: Solve for x
    x = 8,392,323,857.90/105,850.75
  6. Step 6: Final answer
    x = 79,284.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.