Home / 66,700.36-92,035.06-39,853.64

Finding the Fourth Proportional to 66,700.36, 92,035.06 and 39,853.64

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Solution

The fourth proportional to 66,700.36, 92,035.06 and 39,853.64 is: 54,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,700.36 : 92,035.06 = 39,853.64 : x
  2. Step 2: Convert to fraction form
    66,700.36/92,035.06 = 39,853.64/x
  3. Step 3: Cross multiply
    66,700.36x = 92,035.06 × 39,853.64
  4. Step 4: Simplify right side
    66,700.36x = 3,667,932,148.62
  5. Step 5: Solve for x
    x = 3,667,932,148.62/66,700.36
  6. Step 6: Final answer
    x = 54,991.19

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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.