Home / 66,541.20-91,836.12-38,246.28

Finding the Fourth Proportional to 66,541.20, 91,836.12 and 38,246.28

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Solution

The fourth proportional to 66,541.20, 91,836.12 and 38,246.28 is: 52,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.20 : 91,836.12 = 38,246.28 : x
  2. Step 2: Convert to fraction form
    66,541.20/91,836.12 = 38,246.28/x
  3. Step 3: Cross multiply
    66,541.20x = 91,836.12 × 38,246.28
  4. Step 4: Simplify right side
    66,541.20x = 3,512,389,959.63
  5. Step 5: Solve for x
    x = 3,512,389,959.63/66,541.20
  6. Step 6: Final answer
    x = 52,785.19

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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.