Home / 54,785.77-82,146.62-26,670.26

Finding the Fourth Proportional to 54,785.77, 82,146.62 and 26,670.26

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Solution

The fourth proportional to 54,785.77, 82,146.62 and 26,670.26 is: 39,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.77 : 82,146.62 = 26,670.26 : x
  2. Step 2: Convert to fraction form
    54,785.77/82,146.62 = 26,670.26/x
  3. Step 3: Cross multiply
    54,785.77x = 82,146.62 × 26,670.26
  4. Step 4: Simplify right side
    54,785.77x = 2,190,871,985.56
  5. Step 5: Solve for x
    x = 2,190,871,985.56/54,785.77
  6. Step 6: Final answer
    x = 39,989.80

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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.