Home / 55,703.96-83,564.22-20,173.58

Finding the Fourth Proportional to 55,703.96, 83,564.22 and 20,173.58

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Solution

The fourth proportional to 55,703.96, 83,564.22 and 20,173.58 is: 30,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.96 : 83,564.22 = 20,173.58 : x
  2. Step 2: Convert to fraction form
    55,703.96/83,564.22 = 20,173.58/x
  3. Step 3: Cross multiply
    55,703.96x = 83,564.22 × 20,173.58
  4. Step 4: Simplify right side
    55,703.96x = 1,685,789,477.31
  5. Step 5: Solve for x
    x = 1,685,789,477.31/55,703.96
  6. Step 6: Final answer
    x = 30,263.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.