Home / 98,906.19-136,490.57-53,584.48

Finding the Fourth Proportional to 98,906.19, 136,490.57 and 53,584.48

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Solution

The fourth proportional to 98,906.19, 136,490.57 and 53,584.48 is: 73,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,906.19 : 136,490.57 = 53,584.48 : x
  2. Step 2: Convert to fraction form
    98,906.19/136,490.57 = 53,584.48/x
  3. Step 3: Cross multiply
    98,906.19x = 136,490.57 × 53,584.48
  4. Step 4: Simplify right side
    98,906.19x = 7,313,776,321.99
  5. Step 5: Solve for x
    x = 7,313,776,321.99/98,906.19
  6. Step 6: Final answer
    x = 73,946.60

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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.