Home / 66,199.81-91,333.38-37,516.45

Finding the Fourth Proportional to 66,199.81, 91,333.38 and 37,516.45

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Solution

The fourth proportional to 66,199.81, 91,333.38 and 37,516.45 is: 51,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,199.81 : 91,333.38 = 37,516.45 : x
  2. Step 2: Convert to fraction form
    66,199.81/91,333.38 = 37,516.45/x
  3. Step 3: Cross multiply
    66,199.81x = 91,333.38 × 37,516.45
  4. Step 4: Simplify right side
    66,199.81x = 3,426,504,184.10
  5. Step 5: Solve for x
    x = 3,426,504,184.10/66,199.81
  6. Step 6: Final answer
    x = 51,760.03

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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.