Home / 54,098.21-74,654.15-30,225.06

Finding the Fourth Proportional to 54,098.21, 74,654.15 and 30,225.06

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Solution

The fourth proportional to 54,098.21, 74,654.15 and 30,225.06 is: 41,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,098.21 : 74,654.15 = 30,225.06 : x
  2. Step 2: Convert to fraction form
    54,098.21/74,654.15 = 30,225.06/x
  3. Step 3: Cross multiply
    54,098.21x = 74,654.15 × 30,225.06
  4. Step 4: Simplify right side
    54,098.21x = 2,256,426,011.87
  5. Step 5: Solve for x
    x = 2,256,426,011.87/54,098.21
  6. Step 6: Final answer
    x = 41,709.81

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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.