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Finding the Fourth Proportional to 60,755.36, 83,848.88 and 33,907.20

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Solution

The fourth proportional to 60,755.36, 83,848.88 and 33,907.20 is: 46,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.36 : 83,848.88 = 33,907.20 : x
  2. Step 2: Convert to fraction form
    60,755.36/83,848.88 = 33,907.20/x
  3. Step 3: Cross multiply
    60,755.36x = 83,848.88 × 33,907.20
  4. Step 4: Simplify right side
    60,755.36x = 2,843,080,743.94
  5. Step 5: Solve for x
    x = 2,843,080,743.94/60,755.36
  6. Step 6: Final answer
    x = 46,795.55

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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.