Home / 55,421.82-83,132.73-25,860.36

Finding the Fourth Proportional to 55,421.82, 83,132.73 and 25,860.36

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Solution

The fourth proportional to 55,421.82, 83,132.73 and 25,860.36 is: 38,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.82 : 83,132.73 = 25,860.36 : x
  2. Step 2: Convert to fraction form
    55,421.82/83,132.73 = 25,860.36/x
  3. Step 3: Cross multiply
    55,421.82x = 83,132.73 × 25,860.36
  4. Step 4: Simplify right side
    55,421.82x = 2,149,842,325.58
  5. Step 5: Solve for x
    x = 2,149,842,325.58/55,421.82
  6. Step 6: Final answer
    x = 38,790.54

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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.