Home / 55,193.75-82,802.97-20,133.40

Finding the Fourth Proportional to 55,193.75, 82,802.97 and 20,133.40

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Solution

The fourth proportional to 55,193.75, 82,802.97 and 20,133.40 is: 30,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193.75 : 82,802.97 = 20,133.40 : x
  2. Step 2: Convert to fraction form
    55,193.75/82,802.97 = 20,133.40/x
  3. Step 3: Cross multiply
    55,193.75x = 82,802.97 × 20,133.40
  4. Step 4: Simplify right side
    55,193.75x = 1,667,105,316.20
  5. Step 5: Solve for x
    x = 1,667,105,316.20/55,193.75
  6. Step 6: Final answer
    x = 30,204.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.