Home / 55,667.12-83,195.07-40,705.77

Finding the Fourth Proportional to 55,667.12, 83,195.07 and 40,705.77

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Solution

The fourth proportional to 55,667.12, 83,195.07 and 40,705.77 is: 60,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,667.12 : 83,195.07 = 40,705.77 : x
  2. Step 2: Convert to fraction form
    55,667.12/83,195.07 = 40,705.77/x
  3. Step 3: Cross multiply
    55,667.12x = 83,195.07 × 40,705.77
  4. Step 4: Simplify right side
    55,667.12x = 3,386,519,185.39
  5. Step 5: Solve for x
    x = 3,386,519,185.39/55,667.12
  6. Step 6: Final answer
    x = 60,835.17

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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.