Home / 74,661.20-103,031.56-41,126.48

Finding the Fourth Proportional to 74,661.20, 103,031.56 and 41,126.48

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Solution

The fourth proportional to 74,661.20, 103,031.56 and 41,126.48 is: 56,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661.20 : 103,031.56 = 41,126.48 : x
  2. Step 2: Convert to fraction form
    74,661.20/103,031.56 = 41,126.48/x
  3. Step 3: Cross multiply
    74,661.20x = 103,031.56 × 41,126.48
  4. Step 4: Simplify right side
    74,661.20x = 4,237,325,391.71
  5. Step 5: Solve for x
    x = 4,237,325,391.71/74,661.20
  6. Step 6: Final answer
    x = 56,754.05

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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.