Home / 68,966.84-103,501.58-51,238.78

Finding the Fourth Proportional to 68,966.84, 103,501.58 and 51,238.78

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Solution

The fourth proportional to 68,966.84, 103,501.58 and 51,238.78 is: 76,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,966.84 : 103,501.58 = 51,238.78 : x
  2. Step 2: Convert to fraction form
    68,966.84/103,501.58 = 51,238.78/x
  3. Step 3: Cross multiply
    68,966.84x = 103,501.58 × 51,238.78
  4. Step 4: Simplify right side
    68,966.84x = 5,303,294,172.32
  5. Step 5: Solve for x
    x = 5,303,294,172.32/68,966.84
  6. Step 6: Final answer
    x = 76,896.29

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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.