Home / 98,187.39-146,945.75-60,731.37

Finding the Fourth Proportional to 98,187.39, 146,945.75 and 60,731.37

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Solution

The fourth proportional to 98,187.39, 146,945.75 and 60,731.37 is: 90,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,187.39 : 146,945.75 = 60,731.37 : x
  2. Step 2: Convert to fraction form
    98,187.39/146,945.75 = 60,731.37/x
  3. Step 3: Cross multiply
    98,187.39x = 146,945.75 × 60,731.37
  4. Step 4: Simplify right side
    98,187.39x = 8,924,216,409.52
  5. Step 5: Solve for x
    x = 8,924,216,409.52/98,187.39
  6. Step 6: Final answer
    x = 90,889.64

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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.