Home / 67,576.32-93,252.60-39,279.78

Finding the Fourth Proportional to 67,576.32, 93,252.60 and 39,279.78

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Solution

The fourth proportional to 67,576.32, 93,252.60 and 39,279.78 is: 54,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,576.32 : 93,252.60 = 39,279.78 : x
  2. Step 2: Convert to fraction form
    67,576.32/93,252.60 = 39,279.78/x
  3. Step 3: Cross multiply
    67,576.32x = 93,252.60 × 39,279.78
  4. Step 4: Simplify right side
    67,576.32x = 3,662,941,612.43
  5. Step 5: Solve for x
    x = 3,662,941,612.43/67,576.32
  6. Step 6: Final answer
    x = 54,204.51

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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.