Home / 66,847.82-92,235.51-39,632.49

Finding the Fourth Proportional to 66,847.82, 92,235.51 and 39,632.49

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Solution

The fourth proportional to 66,847.82, 92,235.51 and 39,632.49 is: 54,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.82 : 92,235.51 = 39,632.49 : x
  2. Step 2: Convert to fraction form
    66,847.82/92,235.51 = 39,632.49/x
  3. Step 3: Cross multiply
    66,847.82x = 92,235.51 × 39,632.49
  4. Step 4: Simplify right side
    66,847.82x = 3,655,522,927.72
  5. Step 5: Solve for x
    x = 3,655,522,927.72/66,847.82
  6. Step 6: Final answer
    x = 54,684.25

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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.