Home / 113,078.78-169,461.24-49,804.02

Finding the Fourth Proportional to 113,078.78, 169,461.24 and 49,804.02

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Solution

The fourth proportional to 113,078.78, 169,461.24 and 49,804.02 is: 74,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,078.78 : 169,461.24 = 49,804.02 : x
  2. Step 2: Convert to fraction form
    113,078.78/169,461.24 = 49,804.02/x
  3. Step 3: Cross multiply
    113,078.78x = 169,461.24 × 49,804.02
  4. Step 4: Simplify right side
    113,078.78x = 8,439,850,986.18
  5. Step 5: Solve for x
    x = 8,439,850,986.18/113,078.78
  6. Step 6: Final answer
    x = 74,636.91

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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.