Home / 68,427.29-94,409.02-39,741.42

Finding the Fourth Proportional to 68,427.29, 94,409.02 and 39,741.42

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Solution

The fourth proportional to 68,427.29, 94,409.02 and 39,741.42 is: 54,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,427.29 : 94,409.02 = 39,741.42 : x
  2. Step 2: Convert to fraction form
    68,427.29/94,409.02 = 39,741.42/x
  3. Step 3: Cross multiply
    68,427.29x = 94,409.02 × 39,741.42
  4. Step 4: Simplify right side
    68,427.29x = 3,751,948,416.25
  5. Step 5: Solve for x
    x = 3,751,948,416.25/68,427.29
  6. Step 6: Final answer
    x = 54,831.17

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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.