Home / 69,125.03-103,686.84-31,674.48

Finding the Fourth Proportional to 69,125.03, 103,686.84 and 31,674.48

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Solution

The fourth proportional to 69,125.03, 103,686.84 and 31,674.48 is: 47,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125.03 : 103,686.84 = 31,674.48 : x
  2. Step 2: Convert to fraction form
    69,125.03/103,686.84 = 31,674.48/x
  3. Step 3: Cross multiply
    69,125.03x = 103,686.84 × 31,674.48
  4. Step 4: Simplify right side
    69,125.03x = 3,284,226,739.84
  5. Step 5: Solve for x
    x = 3,284,226,739.84/69,125.03
  6. Step 6: Final answer
    x = 47,511.40

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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.