Home / 82,725.75-124,088.63-20,396.25

Finding the Fourth Proportional to 82,725.75, 124,088.63 and 20,396.25

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Solution

The fourth proportional to 82,725.75, 124,088.63 and 20,396.25 is: 30,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725.75 : 124,088.63 = 20,396.25 : x
  2. Step 2: Convert to fraction form
    82,725.75/124,088.63 = 20,396.25/x
  3. Step 3: Cross multiply
    82,725.75x = 124,088.63 × 20,396.25
  4. Step 4: Simplify right side
    82,725.75x = 2,530,942,617.66
  5. Step 5: Solve for x
    x = 2,530,942,617.66/82,725.75
  6. Step 6: Final answer
    x = 30,594.38

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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.