Home / 74,879.22-103,332.69-41,344.50

Finding the Fourth Proportional to 74,879.22, 103,332.69 and 41,344.50

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Solution

The fourth proportional to 74,879.22, 103,332.69 and 41,344.50 is: 57,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879.22 : 103,332.69 = 41,344.50 : x
  2. Step 2: Convert to fraction form
    74,879.22/103,332.69 = 41,344.50/x
  3. Step 3: Cross multiply
    74,879.22x = 103,332.69 × 41,344.50
  4. Step 4: Simplify right side
    74,879.22x = 4,272,238,401.71
  5. Step 5: Solve for x
    x = 4,272,238,401.71/74,879.22
  6. Step 6: Final answer
    x = 57,055.06

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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.