Home / 66,850.16-92,238.25-38,160.66

Finding the Fourth Proportional to 66,850.16, 92,238.25 and 38,160.66

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Solution

The fourth proportional to 66,850.16, 92,238.25 and 38,160.66 is: 52,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.16 : 92,238.25 = 38,160.66 : x
  2. Step 2: Convert to fraction form
    66,850.16/92,238.25 = 38,160.66/x
  3. Step 3: Cross multiply
    66,850.16x = 92,238.25 × 38,160.66
  4. Step 4: Simplify right side
    66,850.16x = 3,519,872,497.25
  5. Step 5: Solve for x
    x = 3,519,872,497.25/66,850.16
  6. Step 6: Final answer
    x = 52,653.16

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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.