Home / 74,207.86-111,284.11-29,819.59

Finding the Fourth Proportional to 74,207.86, 111,284.11 and 29,819.59

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Solution

The fourth proportional to 74,207.86, 111,284.11 and 29,819.59 is: 44,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.86 : 111,284.11 = 29,819.59 : x
  2. Step 2: Convert to fraction form
    74,207.86/111,284.11 = 29,819.59/x
  3. Step 3: Cross multiply
    74,207.86x = 111,284.11 × 29,819.59
  4. Step 4: Simplify right side
    74,207.86x = 3,318,446,533.71
  5. Step 5: Solve for x
    x = 3,318,446,533.71/74,207.86
  6. Step 6: Final answer
    x = 44,718.26

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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.