Home / 69,470.16-103,595.07-68,838.66

Finding the Fourth Proportional to 69,470.16, 103,595.07 and 68,838.66

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Solution

The fourth proportional to 69,470.16, 103,595.07 and 68,838.66 is: 102,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.16 : 103,595.07 = 68,838.66 : x
  2. Step 2: Convert to fraction form
    69,470.16/103,595.07 = 68,838.66/x
  3. Step 3: Cross multiply
    69,470.16x = 103,595.07 × 68,838.66
  4. Step 4: Simplify right side
    69,470.16x = 7,131,345,801.41
  5. Step 5: Solve for x
    x = 7,131,345,801.41/69,470.16
  6. Step 6: Final answer
    x = 102,653.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.