Home / 54,731.83-82,072.22-28,429.51

Finding the Fourth Proportional to 54,731.83, 82,072.22 and 28,429.51

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Solution

The fourth proportional to 54,731.83, 82,072.22 and 28,429.51 is: 42,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.83 : 82,072.22 = 28,429.51 : x
  2. Step 2: Convert to fraction form
    54,731.83/82,072.22 = 28,429.51/x
  3. Step 3: Cross multiply
    54,731.83x = 82,072.22 × 28,429.51
  4. Step 4: Simplify right side
    54,731.83x = 2,333,272,999.21
  5. Step 5: Solve for x
    x = 2,333,272,999.21/54,731.83
  6. Step 6: Final answer
    x = 42,631.01

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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.