Home / 68,436.29-94,453.49-66,637.49

Finding the Fourth Proportional to 68,436.29, 94,453.49 and 66,637.49

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Solution

The fourth proportional to 68,436.29, 94,453.49 and 66,637.49 is: 91,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.29 : 94,453.49 = 66,637.49 : x
  2. Step 2: Convert to fraction form
    68,436.29/94,453.49 = 66,637.49/x
  3. Step 3: Cross multiply
    68,436.29x = 94,453.49 × 66,637.49
  4. Step 4: Simplify right side
    68,436.29x = 6,294,143,189.67
  5. Step 5: Solve for x
    x = 6,294,143,189.67/68,436.29
  6. Step 6: Final answer
    x = 91,970.84

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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.