Home / 74,131.13-102,295.64-41,855.81

Finding the Fourth Proportional to 74,131.13, 102,295.64 and 41,855.81

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Solution

The fourth proportional to 74,131.13, 102,295.64 and 41,855.81 is: 57,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,131.13 : 102,295.64 = 41,855.81 : x
  2. Step 2: Convert to fraction form
    74,131.13/102,295.64 = 41,855.81/x
  3. Step 3: Cross multiply
    74,131.13x = 102,295.64 × 41,855.81
  4. Step 4: Simplify right side
    74,131.13x = 4,281,666,464.83
  5. Step 5: Solve for x
    x = 4,281,666,464.83/74,131.13
  6. Step 6: Final answer
    x = 57,758.01

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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.