Home / 49,387.62-74,013.12-42,797.46

Finding the Fourth Proportional to 49,387.62, 74,013.12 and 42,797.46

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Solution

The fourth proportional to 49,387.62, 74,013.12 and 42,797.46 is: 64,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.62 : 74,013.12 = 42,797.46 : x
  2. Step 2: Convert to fraction form
    49,387.62/74,013.12 = 42,797.46/x
  3. Step 3: Cross multiply
    49,387.62x = 74,013.12 × 42,797.46
  4. Step 4: Simplify right side
    49,387.62x = 3,167,573,542.68
  5. Step 5: Solve for x
    x = 3,167,573,542.68/49,387.62
  6. Step 6: Final answer
    x = 64,137.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.