Home / 66,076.03-91,150.46-40,588.14

Finding the Fourth Proportional to 66,076.03, 91,150.46 and 40,588.14

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Solution

The fourth proportional to 66,076.03, 91,150.46 and 40,588.14 is: 55,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076.03 : 91,150.46 = 40,588.14 : x
  2. Step 2: Convert to fraction form
    66,076.03/91,150.46 = 40,588.14/x
  3. Step 3: Cross multiply
    66,076.03x = 91,150.46 × 40,588.14
  4. Step 4: Simplify right side
    66,076.03x = 3,699,627,638.21
  5. Step 5: Solve for x
    x = 3,699,627,638.21/66,076.03
  6. Step 6: Final answer
    x = 55,990.47

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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.