Home / 66,103.96-99,199.14-26,653.72

Finding the Fourth Proportional to 66,103.96, 99,199.14 and 26,653.72

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Solution

The fourth proportional to 66,103.96, 99,199.14 and 26,653.72 is: 39,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103.96 : 99,199.14 = 26,653.72 : x
  2. Step 2: Convert to fraction form
    66,103.96/99,199.14 = 26,653.72/x
  3. Step 3: Cross multiply
    66,103.96x = 99,199.14 × 26,653.72
  4. Step 4: Simplify right side
    66,103.96x = 2,644,026,101.80
  5. Step 5: Solve for x
    x = 2,644,026,101.80/66,103.96
  6. Step 6: Final answer
    x = 39,998.00

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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.