Home / 55,990.73-83,936.49-40,155.93

Finding the Fourth Proportional to 55,990.73, 83,936.49 and 40,155.93

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Solution

The fourth proportional to 55,990.73, 83,936.49 and 40,155.93 is: 60,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,990.73 : 83,936.49 = 40,155.93 : x
  2. Step 2: Convert to fraction form
    55,990.73/83,936.49 = 40,155.93/x
  3. Step 3: Cross multiply
    55,990.73x = 83,936.49 × 40,155.93
  4. Step 4: Simplify right side
    55,990.73x = 3,370,547,816.89
  5. Step 5: Solve for x
    x = 3,370,547,816.89/55,990.73
  6. Step 6: Final answer
    x = 60,198.32

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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.