Home / 43,943.67-65,915.40-10,663.71

Finding the Fourth Proportional to 43,943.67, 65,915.40 and 10,663.71

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Solution

The fourth proportional to 43,943.67, 65,915.40 and 10,663.71 is: 15,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.67 : 65,915.40 = 10,663.71 : x
  2. Step 2: Convert to fraction form
    43,943.67/65,915.40 = 10,663.71/x
  3. Step 3: Cross multiply
    43,943.67x = 65,915.40 × 10,663.71
  4. Step 4: Simplify right side
    43,943.67x = 702,902,710.13
  5. Step 5: Solve for x
    x = 702,902,710.13/43,943.67
  6. Step 6: Final answer
    x = 15,995.54

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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.