Home / 68,316.29-102,466.73-18,400.04

Finding the Fourth Proportional to 68,316.29, 102,466.73 and 18,400.04

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Solution

The fourth proportional to 68,316.29, 102,466.73 and 18,400.04 is: 27,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.29 : 102,466.73 = 18,400.04 : x
  2. Step 2: Convert to fraction form
    68,316.29/102,466.73 = 18,400.04/x
  3. Step 3: Cross multiply
    68,316.29x = 102,466.73 × 18,400.04
  4. Step 4: Simplify right side
    68,316.29x = 1,885,391,838.67
  5. Step 5: Solve for x
    x = 1,885,391,838.67/68,316.29
  6. Step 6: Final answer
    x = 27,597.98

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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.