Home / 75,233.05-103,822.79-45,019.64

Finding the Fourth Proportional to 75,233.05, 103,822.79 and 45,019.64

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Solution

The fourth proportional to 75,233.05, 103,822.79 and 45,019.64 is: 62,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,233.05 : 103,822.79 = 45,019.64 : x
  2. Step 2: Convert to fraction form
    75,233.05/103,822.79 = 45,019.64/x
  3. Step 3: Cross multiply
    75,233.05x = 103,822.79 × 45,019.64
  4. Step 4: Simplify right side
    75,233.05x = 4,674,064,664.05
  5. Step 5: Solve for x
    x = 4,674,064,664.05/75,233.05
  6. Step 6: Final answer
    x = 62,127.81

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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.