Home / 75,655.07-104,403.12-41,662.88

Finding the Fourth Proportional to 75,655.07, 104,403.12 and 41,662.88

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Solution

The fourth proportional to 75,655.07, 104,403.12 and 41,662.88 is: 57,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,655.07 : 104,403.12 = 41,662.88 : x
  2. Step 2: Convert to fraction form
    75,655.07/104,403.12 = 41,662.88/x
  3. Step 3: Cross multiply
    75,655.07x = 104,403.12 × 41,662.88
  4. Step 4: Simplify right side
    75,655.07x = 4,349,734,138.17
  5. Step 5: Solve for x
    x = 4,349,734,138.17/75,655.07
  6. Step 6: Final answer
    x = 57,494.29

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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.