Home / 65,674.47-98,428.64-41,972.88

Finding the Fourth Proportional to 65,674.47, 98,428.64 and 41,972.88

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Solution

The fourth proportional to 65,674.47, 98,428.64 and 41,972.88 is: 62,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,674.47 : 98,428.64 = 41,972.88 : x
  2. Step 2: Convert to fraction form
    65,674.47/98,428.64 = 41,972.88/x
  3. Step 3: Cross multiply
    65,674.47x = 98,428.64 × 41,972.88
  4. Step 4: Simplify right side
    65,674.47x = 4,131,333,285.42
  5. Step 5: Solve for x
    x = 4,131,333,285.42/65,674.47
  6. Step 6: Final answer
    x = 62,906.23

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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.