Home / 66,076.56-99,134.28-26,613.36

Finding the Fourth Proportional to 66,076.56, 99,134.28 and 26,613.36

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Solution

The fourth proportional to 66,076.56, 99,134.28 and 26,613.36 is: 39,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076.56 : 99,134.28 = 26,613.36 : x
  2. Step 2: Convert to fraction form
    66,076.56/99,134.28 = 26,613.36/x
  3. Step 3: Cross multiply
    66,076.56x = 99,134.28 × 26,613.36
  4. Step 4: Simplify right side
    66,076.56x = 2,638,296,281.98
  5. Step 5: Solve for x
    x = 2,638,296,281.98/66,076.56
  6. Step 6: Final answer
    x = 39,927.87

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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.