Home / 119,459.36-164,844.78-68,471.48

Finding the Fourth Proportional to 119,459.36, 164,844.78 and 68,471.48

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Solution

The fourth proportional to 119,459.36, 164,844.78 and 68,471.48 is: 94,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,459.36 : 164,844.78 = 68,471.48 : x
  2. Step 2: Convert to fraction form
    119,459.36/164,844.78 = 68,471.48/x
  3. Step 3: Cross multiply
    119,459.36x = 164,844.78 × 68,471.48
  4. Step 4: Simplify right side
    119,459.36x = 11,287,166,056.87
  5. Step 5: Solve for x
    x = 11,287,166,056.87/119,459.36
  6. Step 6: Final answer
    x = 94,485.41

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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.