Home / 62,643.89-93,979.66-18,274.12

Finding the Fourth Proportional to 62,643.89, 93,979.66 and 18,274.12

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Solution

The fourth proportional to 62,643.89, 93,979.66 and 18,274.12 is: 27,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,643.89 : 93,979.66 = 18,274.12 : x
  2. Step 2: Convert to fraction form
    62,643.89/93,979.66 = 18,274.12/x
  3. Step 3: Cross multiply
    62,643.89x = 93,979.66 × 18,274.12
  4. Step 4: Simplify right side
    62,643.89x = 1,717,395,584.40
  5. Step 5: Solve for x
    x = 1,717,395,584.40/62,643.89
  6. Step 6: Final answer
    x = 27,415.21

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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.