Home / 69,495.03-103,632.48-68,863.77

Finding the Fourth Proportional to 69,495.03, 103,632.48 and 68,863.77

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Solution

The fourth proportional to 69,495.03, 103,632.48 and 68,863.77 is: 102,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,495.03 : 103,632.48 = 68,863.77 : x
  2. Step 2: Convert to fraction form
    69,495.03/103,632.48 = 68,863.77/x
  3. Step 3: Cross multiply
    69,495.03x = 103,632.48 × 68,863.77
  4. Step 4: Simplify right side
    69,495.03x = 7,136,523,267.25
  5. Step 5: Solve for x
    x = 7,136,523,267.25/69,495.03
  6. Step 6: Final answer
    x = 102,691.13

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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.