Home / 66,015.12-91,099.62-37,334.28

Finding the Fourth Proportional to 66,015.12, 91,099.62 and 37,334.28

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Solution

The fourth proportional to 66,015.12, 91,099.62 and 37,334.28 is: 51,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,015.12 : 91,099.62 = 37,334.28 : x
  2. Step 2: Convert to fraction form
    66,015.12/91,099.62 = 37,334.28/x
  3. Step 3: Cross multiply
    66,015.12x = 91,099.62 × 37,334.28
  4. Step 4: Simplify right side
    66,015.12x = 3,401,138,720.97
  5. Step 5: Solve for x
    x = 3,401,138,720.97/66,015.12
  6. Step 6: Final answer
    x = 51,520.60

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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.