Home / 69,430.86-104,146.38-16,840.44

Finding the Fourth Proportional to 69,430.86, 104,146.38 and 16,840.44

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Solution

The fourth proportional to 69,430.86, 104,146.38 and 16,840.44 is: 25,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430.86 : 104,146.38 = 16,840.44 : x
  2. Step 2: Convert to fraction form
    69,430.86/104,146.38 = 16,840.44/x
  3. Step 3: Cross multiply
    69,430.86x = 104,146.38 × 16,840.44
  4. Step 4: Simplify right side
    69,430.86x = 1,753,870,863.61
  5. Step 5: Solve for x
    x = 1,753,870,863.61/69,430.86
  6. Step 6: Final answer
    x = 25,260.68

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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.