Home / 66,512.16-91,783.09-37,827.94

Finding the Fourth Proportional to 66,512.16, 91,783.09 and 37,827.94

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Solution

The fourth proportional to 66,512.16, 91,783.09 and 37,827.94 is: 52,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,512.16 : 91,783.09 = 37,827.94 : x
  2. Step 2: Convert to fraction form
    66,512.16/91,783.09 = 37,827.94/x
  3. Step 3: Cross multiply
    66,512.16x = 91,783.09 × 37,827.94
  4. Step 4: Simplify right side
    66,512.16x = 3,471,965,221.53
  5. Step 5: Solve for x
    x = 3,471,965,221.53/66,512.16
  6. Step 6: Final answer
    x = 52,200.46

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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.