Home / 64,208.09-88,691.83-49,285.16

Finding the Fourth Proportional to 64,208.09, 88,691.83 and 49,285.16

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Solution

The fourth proportional to 64,208.09, 88,691.83 and 49,285.16 is: 68,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.09 : 88,691.83 = 49,285.16 : x
  2. Step 2: Convert to fraction form
    64,208.09/88,691.83 = 49,285.16/x
  3. Step 3: Cross multiply
    64,208.09x = 88,691.83 × 49,285.16
  4. Step 4: Simplify right side
    64,208.09x = 4,371,190,465.57
  5. Step 5: Solve for x
    x = 4,371,190,465.57/64,208.09
  6. Step 6: Final answer
    x = 68,078.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.