Home / 54,653.64-75,421.01-29,790.01

Finding the Fourth Proportional to 54,653.64, 75,421.01 and 29,790.01

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Solution

The fourth proportional to 54,653.64, 75,421.01 and 29,790.01 is: 41,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.64 : 75,421.01 = 29,790.01 : x
  2. Step 2: Convert to fraction form
    54,653.64/75,421.01 = 29,790.01/x
  3. Step 3: Cross multiply
    54,653.64x = 75,421.01 × 29,790.01
  4. Step 4: Simplify right side
    54,653.64x = 2,246,792,190.53
  5. Step 5: Solve for x
    x = 2,246,792,190.53/54,653.64
  6. Step 6: Final answer
    x = 41,109.65

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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.