Home / 74,981.67-102,923.92-66,293.47

Finding the Fourth Proportional to 74,981.67, 102,923.92 and 66,293.47

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Solution

The fourth proportional to 74,981.67, 102,923.92 and 66,293.47 is: 90,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,981.67 : 102,923.92 = 66,293.47 : x
  2. Step 2: Convert to fraction form
    74,981.67/102,923.92 = 66,293.47/x
  3. Step 3: Cross multiply
    74,981.67x = 102,923.92 × 66,293.47
  4. Step 4: Simplify right side
    74,981.67x = 6,823,183,577.10
  5. Step 5: Solve for x
    x = 6,823,183,577.10/74,981.67
  6. Step 6: Final answer
    x = 90,998.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.