Home / 82,958.94-124,399.53-30,331.62

Finding the Fourth Proportional to 82,958.94, 124,399.53 and 30,331.62

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Solution

The fourth proportional to 82,958.94, 124,399.53 and 30,331.62 is: 45,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958.94 : 124,399.53 = 30,331.62 : x
  2. Step 2: Convert to fraction form
    82,958.94/124,399.53 = 30,331.62/x
  3. Step 3: Cross multiply
    82,958.94x = 124,399.53 × 30,331.62
  4. Step 4: Simplify right side
    82,958.94x = 3,773,239,272.14
  5. Step 5: Solve for x
    x = 3,773,239,272.14/82,958.94
  6. Step 6: Final answer
    x = 45,483.21

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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.