Home / 68,039.23-102,076.10-48,087.98

Finding the Fourth Proportional to 68,039.23, 102,076.10 and 48,087.98

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Solution

The fourth proportional to 68,039.23, 102,076.10 and 48,087.98 is: 72,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039.23 : 102,076.10 = 48,087.98 : x
  2. Step 2: Convert to fraction form
    68,039.23/102,076.10 = 48,087.98/x
  3. Step 3: Cross multiply
    68,039.23x = 102,076.10 × 48,087.98
  4. Step 4: Simplify right side
    68,039.23x = 4,908,633,455.28
  5. Step 5: Solve for x
    x = 4,908,633,455.28/68,039.23
  6. Step 6: Final answer
    x = 72,144.17

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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.