Home / 82,900.08-124,350.66-30,288.96

Finding the Fourth Proportional to 82,900.08, 124,350.66 and 30,288.96

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Solution

The fourth proportional to 82,900.08, 124,350.66 and 30,288.96 is: 45,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,900.08 : 124,350.66 = 30,288.96 : x
  2. Step 2: Convert to fraction form
    82,900.08/124,350.66 = 30,288.96/x
  3. Step 3: Cross multiply
    82,900.08x = 124,350.66 × 30,288.96
  4. Step 4: Simplify right side
    82,900.08x = 3,766,452,166.71
  5. Step 5: Solve for x
    x = 3,766,452,166.71/82,900.08
  6. Step 6: Final answer
    x = 45,433.64

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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.