Home / 83,489.04-115,226.69-51,668.19

Finding the Fourth Proportional to 83,489.04, 115,226.69 and 51,668.19

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Solution

The fourth proportional to 83,489.04, 115,226.69 and 51,668.19 is: 71,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489.04 : 115,226.69 = 51,668.19 : x
  2. Step 2: Convert to fraction form
    83,489.04/115,226.69 = 51,668.19/x
  3. Step 3: Cross multiply
    83,489.04x = 115,226.69 × 51,668.19
  4. Step 4: Simplify right side
    83,489.04x = 5,953,554,253.65
  5. Step 5: Solve for x
    x = 5,953,554,253.65/83,489.04
  6. Step 6: Final answer
    x = 71,309.41

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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.