Home / 74,746.44-112,106.70-27,989.64

Finding the Fourth Proportional to 74,746.44, 112,106.70 and 27,989.64

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Solution

The fourth proportional to 74,746.44, 112,106.70 and 27,989.64 is: 41,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.44 : 112,106.70 = 27,989.64 : x
  2. Step 2: Convert to fraction form
    74,746.44/112,106.70 = 27,989.64/x
  3. Step 3: Cross multiply
    74,746.44x = 112,106.70 × 27,989.64
  4. Step 4: Simplify right side
    74,746.44x = 3,137,826,174.59
  5. Step 5: Solve for x
    x = 3,137,826,174.59/74,746.44
  6. Step 6: Final answer
    x = 41,979.61

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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.