Home / 85,487.50-117,969.24-49,677.22

Finding the Fourth Proportional to 85,487.50, 117,969.24 and 49,677.22

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Solution

The fourth proportional to 85,487.50, 117,969.24 and 49,677.22 is: 68,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,487.50 : 117,969.24 = 49,677.22 : x
  2. Step 2: Convert to fraction form
    85,487.50/117,969.24 = 49,677.22/x
  3. Step 3: Cross multiply
    85,487.50x = 117,969.24 × 49,677.22
  4. Step 4: Simplify right side
    85,487.50x = 5,860,383,888.71
  5. Step 5: Solve for x
    x = 5,860,383,888.71/85,487.50
  6. Step 6: Final answer
    x = 68,552.52

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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.