Home / 54,578.35-75,312.77-30,704.51

Finding the Fourth Proportional to 54,578.35, 75,312.77 and 30,704.51

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Solution

The fourth proportional to 54,578.35, 75,312.77 and 30,704.51 is: 42,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.35 : 75,312.77 = 30,704.51 : x
  2. Step 2: Convert to fraction form
    54,578.35/75,312.77 = 30,704.51/x
  3. Step 3: Cross multiply
    54,578.35x = 75,312.77 × 30,704.51
  4. Step 4: Simplify right side
    54,578.35x = 2,312,441,699.59
  5. Step 5: Solve for x
    x = 2,312,441,699.59/54,578.35
  6. Step 6: Final answer
    x = 42,369.21

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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.