Home / 98,629.65-136,110.38-56,187.27

Finding the Fourth Proportional to 98,629.65, 136,110.38 and 56,187.27

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Solution

The fourth proportional to 98,629.65, 136,110.38 and 56,187.27 is: 77,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.65 : 136,110.38 = 56,187.27 : x
  2. Step 2: Convert to fraction form
    98,629.65/136,110.38 = 56,187.27/x
  3. Step 3: Cross multiply
    98,629.65x = 136,110.38 × 56,187.27
  4. Step 4: Simplify right side
    98,629.65x = 7,647,670,389.93
  5. Step 5: Solve for x
    x = 7,647,670,389.93/98,629.65
  6. Step 6: Final answer
    x = 77,539.26

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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.