Home / 74,556.08-102,890.24-42,731.14

Finding the Fourth Proportional to 74,556.08, 102,890.24 and 42,731.14

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Solution

The fourth proportional to 74,556.08, 102,890.24 and 42,731.14 is: 58,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,556.08 : 102,890.24 = 42,731.14 : x
  2. Step 2: Convert to fraction form
    74,556.08/102,890.24 = 42,731.14/x
  3. Step 3: Cross multiply
    74,556.08x = 102,890.24 × 42,731.14
  4. Step 4: Simplify right side
    74,556.08x = 4,396,616,939.43
  5. Step 5: Solve for x
    x = 4,396,616,939.43/74,556.08
  6. Step 6: Final answer
    x = 58,970.60

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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.