Home / 74,494.12-111,771.48-47,869.96

Finding the Fourth Proportional to 74,494.12, 111,771.48 and 47,869.96

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Solution

The fourth proportional to 74,494.12, 111,771.48 and 47,869.96 is: 71,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,494.12 : 111,771.48 = 47,869.96 : x
  2. Step 2: Convert to fraction form
    74,494.12/111,771.48 = 47,869.96/x
  3. Step 3: Cross multiply
    74,494.12x = 111,771.48 × 47,869.96
  4. Step 4: Simplify right side
    74,494.12x = 5,350,496,276.74
  5. Step 5: Solve for x
    x = 5,350,496,276.74/74,494.12
  6. Step 6: Final answer
    x = 71,824.41

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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.