Home / 63,010.78-94,534.64-18,638.72

Finding the Fourth Proportional to 63,010.78, 94,534.64 and 18,638.72

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Solution

The fourth proportional to 63,010.78, 94,534.64 and 18,638.72 is: 27,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.78 : 94,534.64 = 18,638.72 : x
  2. Step 2: Convert to fraction form
    63,010.78/94,534.64 = 18,638.72/x
  3. Step 3: Cross multiply
    63,010.78x = 94,534.64 × 18,638.72
  4. Step 4: Simplify right side
    63,010.78x = 1,762,004,685.26
  5. Step 5: Solve for x
    x = 1,762,004,685.26/63,010.78
  6. Step 6: Final answer
    x = 27,963.54

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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.