Home / 62,842.39-86,721.74-34,161.60

Finding the Fourth Proportional to 62,842.39, 86,721.74 and 34,161.60

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Solution

The fourth proportional to 62,842.39, 86,721.74 and 34,161.60 is: 47,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,842.39 : 86,721.74 = 34,161.60 : x
  2. Step 2: Convert to fraction form
    62,842.39/86,721.74 = 34,161.60/x
  3. Step 3: Cross multiply
    62,842.39x = 86,721.74 × 34,161.60
  4. Step 4: Simplify right side
    62,842.39x = 2,962,553,393.18
  5. Step 5: Solve for x
    x = 2,962,553,393.18/62,842.39
  6. Step 6: Final answer
    x = 47,142.60

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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.