Home / 68,713.82-94,828.57-39,631.37

Finding the Fourth Proportional to 68,713.82, 94,828.57 and 39,631.37

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Solution

The fourth proportional to 68,713.82, 94,828.57 and 39,631.37 is: 54,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,713.82 : 94,828.57 = 39,631.37 : x
  2. Step 2: Convert to fraction form
    68,713.82/94,828.57 = 39,631.37/x
  3. Step 3: Cross multiply
    68,713.82x = 94,828.57 × 39,631.37
  4. Step 4: Simplify right side
    68,713.82x = 3,758,186,341.95
  5. Step 5: Solve for x
    x = 3,758,186,341.95/68,713.82
  6. Step 6: Final answer
    x = 54,693.31

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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.