Home / 55,960.96-77,223.70-30,467.36

Finding the Fourth Proportional to 55,960.96, 77,223.70 and 30,467.36

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Solution

The fourth proportional to 55,960.96, 77,223.70 and 30,467.36 is: 42,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960.96 : 77,223.70 = 30,467.36 : x
  2. Step 2: Convert to fraction form
    55,960.96/77,223.70 = 30,467.36/x
  3. Step 3: Cross multiply
    55,960.96x = 77,223.70 × 30,467.36
  4. Step 4: Simplify right side
    55,960.96x = 2,352,802,268.43
  5. Step 5: Solve for x
    x = 2,352,802,268.43/55,960.96
  6. Step 6: Final answer
    x = 42,043.64

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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.