Home / 74,741.82-112,115.71-29,771.70

Finding the Fourth Proportional to 74,741.82, 112,115.71 and 29,771.70

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Solution

The fourth proportional to 74,741.82, 112,115.71 and 29,771.70 is: 44,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,741.82 : 112,115.71 = 29,771.70 : x
  2. Step 2: Convert to fraction form
    74,741.82/112,115.71 = 29,771.70/x
  3. Step 3: Cross multiply
    74,741.82x = 112,115.71 × 29,771.70
  4. Step 4: Simplify right side
    74,741.82x = 3,337,875,283.41
  5. Step 5: Solve for x
    x = 3,337,875,283.41/74,741.82
  6. Step 6: Final answer
    x = 44,658.74

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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.