Home / 68,347.58-102,486.26-30,887.36

Finding the Fourth Proportional to 68,347.58, 102,486.26 and 30,887.36

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Solution

The fourth proportional to 68,347.58, 102,486.26 and 30,887.36 is: 46,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,347.58 : 102,486.26 = 30,887.36 : x
  2. Step 2: Convert to fraction form
    68,347.58/102,486.26 = 30,887.36/x
  3. Step 3: Cross multiply
    68,347.58x = 102,486.26 × 30,887.36
  4. Step 4: Simplify right side
    68,347.58x = 3,165,529,956.78
  5. Step 5: Solve for x
    x = 3,165,529,956.78/68,347.58
  6. Step 6: Final answer
    x = 46,315.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.