Home / 54,014.40-74,509.92-31,654.08

Finding the Fourth Proportional to 54,014.40, 74,509.92 and 31,654.08

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Solution

The fourth proportional to 54,014.40, 74,509.92 and 31,654.08 is: 43,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.40 : 74,509.92 = 31,654.08 : x
  2. Step 2: Convert to fraction form
    54,014.40/74,509.92 = 31,654.08/x
  3. Step 3: Cross multiply
    54,014.40x = 74,509.92 × 31,654.08
  4. Step 4: Simplify right side
    54,014.40x = 2,358,542,968.47
  5. Step 5: Solve for x
    x = 2,358,542,968.47/54,014.40
  6. Step 6: Final answer
    x = 43,665.08

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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.