Home / 49,145.68-67,820.88-26,789.68

Finding the Fourth Proportional to 49,145.68, 67,820.88 and 26,789.68

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Solution

The fourth proportional to 49,145.68, 67,820.88 and 26,789.68 is: 36,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.68 : 67,820.88 = 26,789.68 : x
  2. Step 2: Convert to fraction form
    49,145.68/67,820.88 = 26,789.68/x
  3. Step 3: Cross multiply
    49,145.68x = 67,820.88 × 26,789.68
  4. Step 4: Simplify right side
    49,145.68x = 1,816,899,672.52
  5. Step 5: Solve for x
    x = 1,816,899,672.52/49,145.68
  6. Step 6: Final answer
    x = 36,969.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.