Home / 51,090.63-76,644.05-17,801.39

Finding the Fourth Proportional to 51,090.63, 76,644.05 and 17,801.39

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Solution

The fourth proportional to 51,090.63, 76,644.05 and 17,801.39 is: 26,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.63 : 76,644.05 = 17,801.39 : x
  2. Step 2: Convert to fraction form
    51,090.63/76,644.05 = 17,801.39/x
  3. Step 3: Cross multiply
    51,090.63x = 76,644.05 × 17,801.39
  4. Step 4: Simplify right side
    51,090.63x = 1,364,370,153.00
  5. Step 5: Solve for x
    x = 1,364,370,153.00/51,090.63
  6. Step 6: Final answer
    x = 26,704.90

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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.