Home / 55,657.97-83,181.36-40,696.59

Finding the Fourth Proportional to 55,657.97, 83,181.36 and 40,696.59

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Solution

The fourth proportional to 55,657.97, 83,181.36 and 40,696.59 is: 60,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.97 : 83,181.36 = 40,696.59 : x
  2. Step 2: Convert to fraction form
    55,657.97/83,181.36 = 40,696.59/x
  3. Step 3: Cross multiply
    55,657.97x = 83,181.36 × 40,696.59
  4. Step 4: Simplify right side
    55,657.97x = 3,385,198,168.10
  5. Step 5: Solve for x
    x = 3,385,198,168.10/55,657.97
  6. Step 6: Final answer
    x = 60,821.45

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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.