Home / 68,719.26-94,890.36-51,693.99

Finding the Fourth Proportional to 68,719.26, 94,890.36 and 51,693.99

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Solution

The fourth proportional to 68,719.26, 94,890.36 and 51,693.99 is: 71,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,719.26 : 94,890.36 = 51,693.99 : x
  2. Step 2: Convert to fraction form
    68,719.26/94,890.36 = 51,693.99/x
  3. Step 3: Cross multiply
    68,719.26x = 94,890.36 × 51,693.99
  4. Step 4: Simplify right side
    68,719.26x = 4,905,261,320.94
  5. Step 5: Solve for x
    x = 4,905,261,320.94/68,719.26
  6. Step 6: Final answer
    x = 71,381.17

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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.