Home / 55,954.45-77,218.82-30,462.48

Finding the Fourth Proportional to 55,954.45, 77,218.82 and 30,462.48

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Solution

The fourth proportional to 55,954.45, 77,218.82 and 30,462.48 is: 42,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,954.45 : 77,218.82 = 30,462.48 : x
  2. Step 2: Convert to fraction form
    55,954.45/77,218.82 = 30,462.48/x
  3. Step 3: Cross multiply
    55,954.45x = 77,218.82 × 30,462.48
  4. Step 4: Simplify right side
    55,954.45x = 2,352,276,721.80
  5. Step 5: Solve for x
    x = 2,352,276,721.80/55,954.45
  6. Step 6: Final answer
    x = 42,039.14

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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.