Home / 66,847.14-92,265.48-40,005.36

Finding the Fourth Proportional to 66,847.14, 92,265.48 and 40,005.36

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Solution

The fourth proportional to 66,847.14, 92,265.48 and 40,005.36 is: 55,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.14 : 92,265.48 = 40,005.36 : x
  2. Step 2: Convert to fraction form
    66,847.14/92,265.48 = 40,005.36/x
  3. Step 3: Cross multiply
    66,847.14x = 92,265.48 × 40,005.36
  4. Step 4: Simplify right side
    66,847.14x = 3,691,113,742.97
  5. Step 5: Solve for x
    x = 3,691,113,742.97/66,847.14
  6. Step 6: Final answer
    x = 55,217.23

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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.