Home / 54,049.48-74,567.08-31,384.60

Finding the Fourth Proportional to 54,049.48, 74,567.08 and 31,384.60

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Solution

The fourth proportional to 54,049.48, 74,567.08 and 31,384.60 is: 43,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049.48 : 74,567.08 = 31,384.60 : x
  2. Step 2: Convert to fraction form
    54,049.48/74,567.08 = 31,384.60/x
  3. Step 3: Cross multiply
    54,049.48x = 74,567.08 × 31,384.60
  4. Step 4: Simplify right side
    54,049.48x = 2,340,257,978.97
  5. Step 5: Solve for x
    x = 2,340,257,978.97/54,049.48
  6. Step 6: Final answer
    x = 43,298.44

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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.