Home / 54,641.67-75,407.82-30,442.61

Finding the Fourth Proportional to 54,641.67, 75,407.82 and 30,442.61

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Solution

The fourth proportional to 54,641.67, 75,407.82 and 30,442.61 is: 42,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641.67 : 75,407.82 = 30,442.61 : x
  2. Step 2: Convert to fraction form
    54,641.67/75,407.82 = 30,442.61/x
  3. Step 3: Cross multiply
    54,641.67x = 75,407.82 × 30,442.61
  4. Step 4: Simplify right side
    54,641.67x = 2,295,610,855.21
  5. Step 5: Solve for x
    x = 2,295,610,855.21/54,641.67
  6. Step 6: Final answer
    x = 42,012.09

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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.