Home / 55,683.61-76,843.42-30,190.01

Finding the Fourth Proportional to 55,683.61, 76,843.42 and 30,190.01

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Solution

The fourth proportional to 55,683.61, 76,843.42 and 30,190.01 is: 41,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683.61 : 76,843.42 = 30,190.01 : x
  2. Step 2: Convert to fraction form
    55,683.61/76,843.42 = 30,190.01/x
  3. Step 3: Cross multiply
    55,683.61x = 76,843.42 × 30,190.01
  4. Step 4: Simplify right side
    55,683.61x = 2,319,903,158.54
  5. Step 5: Solve for x
    x = 2,319,903,158.54/55,683.61
  6. Step 6: Final answer
    x = 41,662.23

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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.