Home / 74,289.52-102,518.67-40,297.38

Finding the Fourth Proportional to 74,289.52, 102,518.67 and 40,297.38

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Solution

The fourth proportional to 74,289.52, 102,518.67 and 40,297.38 is: 55,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.52 : 102,518.67 = 40,297.38 : x
  2. Step 2: Convert to fraction form
    74,289.52/102,518.67 = 40,297.38/x
  3. Step 3: Cross multiply
    74,289.52x = 102,518.67 × 40,297.38
  4. Step 4: Simplify right side
    74,289.52x = 4,131,233,802.08
  5. Step 5: Solve for x
    x = 4,131,233,802.08/74,289.52
  6. Step 6: Final answer
    x = 55,609.91

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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.