Home / 55,402.26-83,477.36-45,757.59

Finding the Fourth Proportional to 55,402.26, 83,477.36 and 45,757.59

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Solution

The fourth proportional to 55,402.26, 83,477.36 and 45,757.59 is: 68,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.26 : 83,477.36 = 45,757.59 : x
  2. Step 2: Convert to fraction form
    55,402.26/83,477.36 = 45,757.59/x
  3. Step 3: Cross multiply
    55,402.26x = 83,477.36 × 45,757.59
  4. Step 4: Simplify right side
    55,402.26x = 3,819,722,584.37
  5. Step 5: Solve for x
    x = 3,819,722,584.37/55,402.26
  6. Step 6: Final answer
    x = 68,945.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.