Home / 66,099.16-91,252.40-50,958.64

Finding the Fourth Proportional to 66,099.16, 91,252.40 and 50,958.64

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Solution

The fourth proportional to 66,099.16, 91,252.40 and 50,958.64 is: 70,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,099.16 : 91,252.40 = 50,958.64 : x
  2. Step 2: Convert to fraction form
    66,099.16/91,252.40 = 50,958.64/x
  3. Step 3: Cross multiply
    66,099.16x = 91,252.40 × 50,958.64
  4. Step 4: Simplify right side
    66,099.16x = 4,650,098,200.74
  5. Step 5: Solve for x
    x = 4,650,098,200.74/66,099.16
  6. Step 6: Final answer
    x = 70,350.34

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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.