Home / 74,655.28-103,024.29-41,121.28

Finding the Fourth Proportional to 74,655.28, 103,024.29 and 41,121.28

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Solution

The fourth proportional to 74,655.28, 103,024.29 and 41,121.28 is: 56,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,655.28 : 103,024.29 = 41,121.28 : x
  2. Step 2: Convert to fraction form
    74,655.28/103,024.29 = 41,121.28/x
  3. Step 3: Cross multiply
    74,655.28x = 103,024.29 × 41,121.28
  4. Step 4: Simplify right side
    74,655.28x = 4,236,490,958.88
  5. Step 5: Solve for x
    x = 4,236,490,958.88/74,655.28
  6. Step 6: Final answer
    x = 56,747.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.