Home / 69,129.32-103,664.63-29,166.23

Finding the Fourth Proportional to 69,129.32, 103,664.63 and 29,166.23

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Solution

The fourth proportional to 69,129.32, 103,664.63 and 29,166.23 is: 43,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,129.32 : 103,664.63 = 29,166.23 : x
  2. Step 2: Convert to fraction form
    69,129.32/103,664.63 = 29,166.23/x
  3. Step 3: Cross multiply
    69,129.32x = 103,664.63 × 29,166.23
  4. Step 4: Simplify right side
    69,129.32x = 3,023,506,441.44
  5. Step 5: Solve for x
    x = 3,023,506,441.44/69,129.32
  6. Step 6: Final answer
    x = 43,736.96

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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.