Home / 83,268.45-124,903.87-27,108.86

Finding the Fourth Proportional to 83,268.45, 124,903.87 and 27,108.86

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Solution

The fourth proportional to 83,268.45, 124,903.87 and 27,108.86 is: 40,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,268.45 : 124,903.87 = 27,108.86 : x
  2. Step 2: Convert to fraction form
    83,268.45/124,903.87 = 27,108.86/x
  3. Step 3: Cross multiply
    83,268.45x = 124,903.87 × 27,108.86
  4. Step 4: Simplify right side
    83,268.45x = 3,386,000,833.00
  5. Step 5: Solve for x
    x = 3,386,000,833.00/83,268.45
  6. Step 6: Final answer
    x = 40,663.67

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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.