Home / 89,097.36-122,954-48,811.08

Finding the Fourth Proportional to 89,097.36, 122,954 and 48,811.08

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Solution

The fourth proportional to 89,097.36, 122,954 and 48,811.08 is: 67,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,097.36 : 122,954 = 48,811.08 : x
  2. Step 2: Convert to fraction form
    89,097.36/122,954 = 48,811.08/x
  3. Step 3: Cross multiply
    89,097.36x = 122,954 × 48,811.08
  4. Step 4: Simplify right side
    89,097.36x = 6,001,517,530.32
  5. Step 5: Solve for x
    x = 6,001,517,530.32/89,097.36
  6. Step 6: Final answer
    x = 67,359.09

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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.