Home / 48,690.10-72,842.99-36,877.91

Finding the Fourth Proportional to 48,690.10, 72,842.99 and 36,877.91

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Solution

The fourth proportional to 48,690.10, 72,842.99 and 36,877.91 is: 55,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,690.10 : 72,842.99 = 36,877.91 : x
  2. Step 2: Convert to fraction form
    48,690.10/72,842.99 = 36,877.91/x
  3. Step 3: Cross multiply
    48,690.10x = 72,842.99 × 36,877.91
  4. Step 4: Simplify right side
    48,690.10x = 2,686,297,067.13
  5. Step 5: Solve for x
    x = 2,686,297,067.13/48,690.10
  6. Step 6: Final answer
    x = 55,171.32

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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.