Home / 66,185.16-91,334.97-40,336.23

Finding the Fourth Proportional to 66,185.16, 91,334.97 and 40,336.23

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Solution

The fourth proportional to 66,185.16, 91,334.97 and 40,336.23 is: 55,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.16 : 91,334.97 = 40,336.23 : x
  2. Step 2: Convert to fraction form
    66,185.16/91,334.97 = 40,336.23/x
  3. Step 3: Cross multiply
    66,185.16x = 91,334.97 × 40,336.23
  4. Step 4: Simplify right side
    66,185.16x = 3,684,108,356.96
  5. Step 5: Solve for x
    x = 3,684,108,356.96/66,185.16
  6. Step 6: Final answer
    x = 55,663.66

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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.