Home / 54,812.14-75,640.95-29,661.64

Finding the Fourth Proportional to 54,812.14, 75,640.95 and 29,661.64

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Solution

The fourth proportional to 54,812.14, 75,640.95 and 29,661.64 is: 40,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.14 : 75,640.95 = 29,661.64 : x
  2. Step 2: Convert to fraction form
    54,812.14/75,640.95 = 29,661.64/x
  3. Step 3: Cross multiply
    54,812.14x = 75,640.95 × 29,661.64
  4. Step 4: Simplify right side
    54,812.14x = 2,243,634,628.16
  5. Step 5: Solve for x
    x = 2,243,634,628.16/54,812.14
  6. Step 6: Final answer
    x = 40,933.17

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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.