Home / 69,642.48-104,332.16-53,983.44

Finding the Fourth Proportional to 69,642.48, 104,332.16 and 53,983.44

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Solution

The fourth proportional to 69,642.48, 104,332.16 and 53,983.44 is: 80,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,642.48 : 104,332.16 = 53,983.44 : x
  2. Step 2: Convert to fraction form
    69,642.48/104,332.16 = 53,983.44/x
  3. Step 3: Cross multiply
    69,642.48x = 104,332.16 × 53,983.44
  4. Step 4: Simplify right side
    69,642.48x = 5,632,208,899.43
  5. Step 5: Solve for x
    x = 5,632,208,899.43/69,642.48
  6. Step 6: Final answer
    x = 80,873.18

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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.