Home / 69,839.32-104,700.30-56,659

Finding the Fourth Proportional to 69,839.32, 104,700.30 and 56,659

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Solution

The fourth proportional to 69,839.32, 104,700.30 and 56,659 is: 84,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,839.32 : 104,700.30 = 56,659 : x
  2. Step 2: Convert to fraction form
    69,839.32/104,700.30 = 56,659/x
  3. Step 3: Cross multiply
    69,839.32x = 104,700.30 × 56,659
  4. Step 4: Simplify right side
    69,839.32x = 5,932,214,297.70
  5. Step 5: Solve for x
    x = 5,932,214,297.70/69,839.32
  6. Step 6: Final answer
    x = 84,940.89

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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.