Home / 74,538.43-111,666.40-34,590.14

Finding the Fourth Proportional to 74,538.43, 111,666.40 and 34,590.14

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Solution

The fourth proportional to 74,538.43, 111,666.40 and 34,590.14 is: 51,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,538.43 : 111,666.40 = 34,590.14 : x
  2. Step 2: Convert to fraction form
    74,538.43/111,666.40 = 34,590.14/x
  3. Step 3: Cross multiply
    74,538.43x = 111,666.40 × 34,590.14
  4. Step 4: Simplify right side
    74,538.43x = 3,862,556,183.24
  5. Step 5: Solve for x
    x = 3,862,556,183.24/74,538.43
  6. Step 6: Final answer
    x = 51,819.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.