Home / 67,512.11-93,163.89-38,829.60

Finding the Fourth Proportional to 67,512.11, 93,163.89 and 38,829.60

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Solution

The fourth proportional to 67,512.11, 93,163.89 and 38,829.60 is: 53,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,512.11 : 93,163.89 = 38,829.60 : x
  2. Step 2: Convert to fraction form
    67,512.11/93,163.89 = 38,829.60/x
  3. Step 3: Cross multiply
    67,512.11x = 93,163.89 × 38,829.60
  4. Step 4: Simplify right side
    67,512.11x = 3,617,516,583.14
  5. Step 5: Solve for x
    x = 3,617,516,583.14/67,512.11
  6. Step 6: Final answer
    x = 53,583.23

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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.