Home / 66,541.10-91,821.20-37,853.12

Finding the Fourth Proportional to 66,541.10, 91,821.20 and 37,853.12

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Solution

The fourth proportional to 66,541.10, 91,821.20 and 37,853.12 is: 52,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.10 : 91,821.20 = 37,853.12 : x
  2. Step 2: Convert to fraction form
    66,541.10/91,821.20 = 37,853.12/x
  3. Step 3: Cross multiply
    66,541.10x = 91,821.20 × 37,853.12
  4. Step 4: Simplify right side
    66,541.10x = 3,475,718,942.43
  5. Step 5: Solve for x
    x = 3,475,718,942.43/66,541.10
  6. Step 6: Final answer
    x = 52,234.17

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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.