Home / 66,108.06-99,181.53-26,644.86

Finding the Fourth Proportional to 66,108.06, 99,181.53 and 26,644.86

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Solution

The fourth proportional to 66,108.06, 99,181.53 and 26,644.86 is: 39,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108.06 : 99,181.53 = 26,644.86 : x
  2. Step 2: Convert to fraction form
    66,108.06/99,181.53 = 26,644.86/x
  3. Step 3: Cross multiply
    66,108.06x = 99,181.53 × 26,644.86
  4. Step 4: Simplify right side
    66,108.06x = 2,642,677,981.44
  5. Step 5: Solve for x
    x = 2,642,677,981.44/66,108.06
  6. Step 6: Final answer
    x = 39,975.13

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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.