Home / 75,137.81-103,690.18-41,605.97

Finding the Fourth Proportional to 75,137.81, 103,690.18 and 41,605.97

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Solution

The fourth proportional to 75,137.81, 103,690.18 and 41,605.97 is: 57,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.81 : 103,690.18 = 41,605.97 : x
  2. Step 2: Convert to fraction form
    75,137.81/103,690.18 = 41,605.97/x
  3. Step 3: Cross multiply
    75,137.81x = 103,690.18 × 41,605.97
  4. Step 4: Simplify right side
    75,137.81x = 4,314,130,518.37
  5. Step 5: Solve for x
    x = 4,314,130,518.37/75,137.81
  6. Step 6: Final answer
    x = 57,416.24

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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.