Home / 75,412.16-104,069.63-41,421.44

Finding the Fourth Proportional to 75,412.16, 104,069.63 and 41,421.44

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Solution

The fourth proportional to 75,412.16, 104,069.63 and 41,421.44 is: 57,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.16 : 104,069.63 = 41,421.44 : x
  2. Step 2: Convert to fraction form
    75,412.16/104,069.63 = 41,421.44/x
  3. Step 3: Cross multiply
    75,412.16x = 104,069.63 × 41,421.44
  4. Step 4: Simplify right side
    75,412.16x = 4,310,713,674.69
  5. Step 5: Solve for x
    x = 4,310,713,674.69/75,412.16
  6. Step 6: Final answer
    x = 57,162.05

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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.