Home / 82,863.10-124,294.52-20,533.60

Finding the Fourth Proportional to 82,863.10, 124,294.52 and 20,533.60

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Solution

The fourth proportional to 82,863.10, 124,294.52 and 20,533.60 is: 30,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,863.10 : 124,294.52 = 20,533.60 : x
  2. Step 2: Convert to fraction form
    82,863.10/124,294.52 = 20,533.60/x
  3. Step 3: Cross multiply
    82,863.10x = 124,294.52 × 20,533.60
  4. Step 4: Simplify right side
    82,863.10x = 2,552,213,853.20
  5. Step 5: Solve for x
    x = 2,552,213,853.20/82,863.10
  6. Step 6: Final answer
    x = 30,800.37

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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.