Home / 69,040.08-103,577.94-31,582.26

Finding the Fourth Proportional to 69,040.08, 103,577.94 and 31,582.26

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Solution

The fourth proportional to 69,040.08, 103,577.94 and 31,582.26 is: 47,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,040.08 : 103,577.94 = 31,582.26 : x
  2. Step 2: Convert to fraction form
    69,040.08/103,577.94 = 31,582.26/x
  3. Step 3: Cross multiply
    69,040.08x = 103,577.94 × 31,582.26
  4. Step 4: Simplify right side
    69,040.08x = 3,271,225,431.34
  5. Step 5: Solve for x
    x = 3,271,225,431.34/69,040.08
  6. Step 6: Final answer
    x = 47,381.54

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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.