Home / 98,734.36-136,252.74-54,022.36

Finding the Fourth Proportional to 98,734.36, 136,252.74 and 54,022.36

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Solution

The fourth proportional to 98,734.36, 136,252.74 and 54,022.36 is: 74,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,734.36 : 136,252.74 = 54,022.36 : x
  2. Step 2: Convert to fraction form
    98,734.36/136,252.74 = 54,022.36/x
  3. Step 3: Cross multiply
    98,734.36x = 136,252.74 × 54,022.36
  4. Step 4: Simplify right side
    98,734.36x = 7,360,694,571.27
  5. Step 5: Solve for x
    x = 7,360,694,571.27/98,734.36
  6. Step 6: Final answer
    x = 74,550.49

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1.5x scale

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.