Home / 69,192.36-103,778.19-19,267.34

Finding the Fourth Proportional to 69,192.36, 103,778.19 and 19,267.34

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Solution

The fourth proportional to 69,192.36, 103,778.19 and 19,267.34 is: 28,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192.36 : 103,778.19 = 19,267.34 : x
  2. Step 2: Convert to fraction form
    69,192.36/103,778.19 = 19,267.34/x
  3. Step 3: Cross multiply
    69,192.36x = 103,778.19 × 19,267.34
  4. Step 4: Simplify right side
    69,192.36x = 1,999,529,152.42
  5. Step 5: Solve for x
    x = 1,999,529,152.42/69,192.36
  6. Step 6: Final answer
    x = 28,898.12

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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.