Home / 66,743.87-100,095.14-19,362.44

Finding the Fourth Proportional to 66,743.87, 100,095.14 and 19,362.44

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Solution

The fourth proportional to 66,743.87, 100,095.14 and 19,362.44 is: 29,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,743.87 : 100,095.14 = 19,362.44 : x
  2. Step 2: Convert to fraction form
    66,743.87/100,095.14 = 19,362.44/x
  3. Step 3: Cross multiply
    66,743.87x = 100,095.14 × 19,362.44
  4. Step 4: Simplify right side
    66,743.87x = 1,938,085,545.25
  5. Step 5: Solve for x
    x = 1,938,085,545.25/66,743.87
  6. Step 6: Final answer
    x = 29,037.66

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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.