Home / 69,015.24-103,453.11-26,869.05

Finding the Fourth Proportional to 69,015.24, 103,453.11 and 26,869.05

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Solution

The fourth proportional to 69,015.24, 103,453.11 and 26,869.05 is: 40,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,015.24 : 103,453.11 = 26,869.05 : x
  2. Step 2: Convert to fraction form
    69,015.24/103,453.11 = 26,869.05/x
  3. Step 3: Cross multiply
    69,015.24x = 103,453.11 × 26,869.05
  4. Step 4: Simplify right side
    69,015.24x = 2,779,686,785.25
  5. Step 5: Solve for x
    x = 2,779,686,785.25/69,015.24
  6. Step 6: Final answer
    x = 40,276.42

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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.