Home / 66,410.27-99,586.09-19,014.61

Finding the Fourth Proportional to 66,410.27, 99,586.09 and 19,014.61

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Solution

The fourth proportional to 66,410.27, 99,586.09 and 19,014.61 is: 28,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,410.27 : 99,586.09 = 19,014.61 : x
  2. Step 2: Convert to fraction form
    66,410.27/99,586.09 = 19,014.61/x
  3. Step 3: Cross multiply
    66,410.27x = 99,586.09 × 19,014.61
  4. Step 4: Simplify right side
    66,410.27x = 1,893,590,662.77
  5. Step 5: Solve for x
    x = 1,893,590,662.77/66,410.27
  6. Step 6: Final answer
    x = 28,513.52

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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.