Home / 74,087.29-102,239.67-40,095.04

Finding the Fourth Proportional to 74,087.29, 102,239.67 and 40,095.04

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Solution

The fourth proportional to 74,087.29, 102,239.67 and 40,095.04 is: 55,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,087.29 : 102,239.67 = 40,095.04 : x
  2. Step 2: Convert to fraction form
    74,087.29/102,239.67 = 40,095.04/x
  3. Step 3: Cross multiply
    74,087.29x = 102,239.67 × 40,095.04
  4. Step 4: Simplify right side
    74,087.29x = 4,099,303,147.04
  5. Step 5: Solve for x
    x = 4,099,303,147.04/74,087.29
  6. Step 6: Final answer
    x = 55,330.72

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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.