Home / 75,133.29-103,686.42-41,143.22

Finding the Fourth Proportional to 75,133.29, 103,686.42 and 41,143.22

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Solution

The fourth proportional to 75,133.29, 103,686.42 and 41,143.22 is: 56,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.29 : 103,686.42 = 41,143.22 : x
  2. Step 2: Convert to fraction form
    75,133.29/103,686.42 = 41,143.22/x
  3. Step 3: Cross multiply
    75,133.29x = 103,686.42 × 41,143.22
  4. Step 4: Simplify right side
    75,133.29x = 4,265,992,670.64
  5. Step 5: Solve for x
    x = 4,265,992,670.64/75,133.29
  6. Step 6: Final answer
    x = 56,778.99

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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.