Home / 62,556.21-86,342.76-38,668.50

Finding the Fourth Proportional to 62,556.21, 86,342.76 and 38,668.50

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Solution

The fourth proportional to 62,556.21, 86,342.76 and 38,668.50 is: 53,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,556.21 : 86,342.76 = 38,668.50 : x
  2. Step 2: Convert to fraction form
    62,556.21/86,342.76 = 38,668.50/x
  3. Step 3: Cross multiply
    62,556.21x = 86,342.76 × 38,668.50
  4. Step 4: Simplify right side
    62,556.21x = 3,338,745,015.06
  5. Step 5: Solve for x
    x = 3,338,745,015.06/62,556.21
  6. Step 6: Final answer
    x = 53,371.92

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1.5x scale

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.