Home / 54,731.33-82,071.48-28,429.01

Finding the Fourth Proportional to 54,731.33, 82,071.48 and 28,429.01

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Solution

The fourth proportional to 54,731.33, 82,071.48 and 28,429.01 is: 42,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.33 : 82,071.48 = 28,429.01 : x
  2. Step 2: Convert to fraction form
    54,731.33/82,071.48 = 28,429.01/x
  3. Step 3: Cross multiply
    54,731.33x = 82,071.48 × 28,429.01
  4. Step 4: Simplify right side
    54,731.33x = 2,333,210,515.28
  5. Step 5: Solve for x
    x = 2,333,210,515.28/54,731.33
  6. Step 6: Final answer
    x = 42,630.26

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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.