Home / 64,856.09-89,491.13-36,556.31

Finding the Fourth Proportional to 64,856.09, 89,491.13 and 36,556.31

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Solution

The fourth proportional to 64,856.09, 89,491.13 and 36,556.31 is: 50,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.09 : 89,491.13 = 36,556.31 : x
  2. Step 2: Convert to fraction form
    64,856.09/89,491.13 = 36,556.31/x
  3. Step 3: Cross multiply
    64,856.09x = 89,491.13 × 36,556.31
  4. Step 4: Simplify right side
    64,856.09x = 3,271,465,668.56
  5. Step 5: Solve for x
    x = 3,271,465,668.56/64,856.09
  6. Step 6: Final answer
    x = 50,441.92

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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.