Home / 69,104.36-103,510.74-68,317.04

Finding the Fourth Proportional to 69,104.36, 103,510.74 and 68,317.04

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Solution

The fourth proportional to 69,104.36, 103,510.74 and 68,317.04 is: 102,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,104.36 : 103,510.74 = 68,317.04 : x
  2. Step 2: Convert to fraction form
    69,104.36/103,510.74 = 68,317.04/x
  3. Step 3: Cross multiply
    69,104.36x = 103,510.74 × 68,317.04
  4. Step 4: Simplify right side
    69,104.36x = 7,071,547,365.01
  5. Step 5: Solve for x
    x = 7,071,547,365.01/69,104.36
  6. Step 6: Final answer
    x = 102,331.42

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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.