Home / 64,519.09-89,043.48-37,668.19

Finding the Fourth Proportional to 64,519.09, 89,043.48 and 37,668.19

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Solution

The fourth proportional to 64,519.09, 89,043.48 and 37,668.19 is: 51,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519.09 : 89,043.48 = 37,668.19 : x
  2. Step 2: Convert to fraction form
    64,519.09/89,043.48 = 37,668.19/x
  3. Step 3: Cross multiply
    64,519.09x = 89,043.48 × 37,668.19
  4. Step 4: Simplify right side
    64,519.09x = 3,354,106,722.90
  5. Step 5: Solve for x
    x = 3,354,106,722.90/64,519.09
  6. Step 6: Final answer
    x = 51,986.27

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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.