Home / 68,965.83-95,172.80-38,751.21

Finding the Fourth Proportional to 68,965.83, 95,172.80 and 38,751.21

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Solution

The fourth proportional to 68,965.83, 95,172.80 and 38,751.21 is: 53,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,965.83 : 95,172.80 = 38,751.21 : x
  2. Step 2: Convert to fraction form
    68,965.83/95,172.80 = 38,751.21/x
  3. Step 3: Cross multiply
    68,965.83x = 95,172.80 × 38,751.21
  4. Step 4: Simplify right side
    68,965.83x = 3,688,060,965.33
  5. Step 5: Solve for x
    x = 3,688,060,965.33/68,965.83
  6. Step 6: Final answer
    x = 53,476.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.