Home / 74,446.08-111,668.96-19,041.92

Finding the Fourth Proportional to 74,446.08, 111,668.96 and 19,041.92

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Solution

The fourth proportional to 74,446.08, 111,668.96 and 19,041.92 is: 28,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,446.08 : 111,668.96 = 19,041.92 : x
  2. Step 2: Convert to fraction form
    74,446.08/111,668.96 = 19,041.92/x
  3. Step 3: Cross multiply
    74,446.08x = 111,668.96 × 19,041.92
  4. Step 4: Simplify right side
    74,446.08x = 2,126,391,402.80
  5. Step 5: Solve for x
    x = 2,126,391,402.80/74,446.08
  6. Step 6: Final answer
    x = 28,562.84

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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.