Home / 69,038.12-103,598.19-26,922.65

Finding the Fourth Proportional to 69,038.12, 103,598.19 and 26,922.65

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Solution

The fourth proportional to 69,038.12, 103,598.19 and 26,922.65 is: 40,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,038.12 : 103,598.19 = 26,922.65 : x
  2. Step 2: Convert to fraction form
    69,038.12/103,598.19 = 26,922.65/x
  3. Step 3: Cross multiply
    69,038.12x = 103,598.19 × 26,922.65
  4. Step 4: Simplify right side
    69,038.12x = 2,789,138,166.12
  5. Step 5: Solve for x
    x = 2,789,138,166.12/69,038.12
  6. Step 6: Final answer
    x = 40,399.97

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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.