Home / 98,629.02-136,105.32-55,608.13

Finding the Fourth Proportional to 98,629.02, 136,105.32 and 55,608.13

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Solution

The fourth proportional to 98,629.02, 136,105.32 and 55,608.13 is: 76,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.02 : 136,105.32 = 55,608.13 : x
  2. Step 2: Convert to fraction form
    98,629.02/136,105.32 = 55,608.13/x
  3. Step 3: Cross multiply
    98,629.02x = 136,105.32 × 55,608.13
  4. Step 4: Simplify right side
    98,629.02x = 7,568,562,328.25
  5. Step 5: Solve for x
    x = 7,568,562,328.25/98,629.02
  6. Step 6: Final answer
    x = 76,737.68

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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.