Home / 74,823.08-112,252.46-28,076.36

Finding the Fourth Proportional to 74,823.08, 112,252.46 and 28,076.36

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Solution

The fourth proportional to 74,823.08, 112,252.46 and 28,076.36 is: 42,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.08 : 112,252.46 = 28,076.36 : x
  2. Step 2: Convert to fraction form
    74,823.08/112,252.46 = 28,076.36/x
  3. Step 3: Cross multiply
    74,823.08x = 112,252.46 × 28,076.36
  4. Step 4: Simplify right side
    74,823.08x = 3,151,640,477.85
  5. Step 5: Solve for x
    x = 3,151,640,477.85/74,823.08
  6. Step 6: Final answer
    x = 42,121.23

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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.