Home / 55,189.57-76,163.23-39,085.69

Finding the Fourth Proportional to 55,189.57, 76,163.23 and 39,085.69

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Solution

The fourth proportional to 55,189.57, 76,163.23 and 39,085.69 is: 53,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.57 : 76,163.23 = 39,085.69 : x
  2. Step 2: Convert to fraction form
    55,189.57/76,163.23 = 39,085.69/x
  3. Step 3: Cross multiply
    55,189.57x = 76,163.23 × 39,085.69
  4. Step 4: Simplify right side
    55,189.57x = 2,976,892,255.63
  5. Step 5: Solve for x
    x = 2,976,892,255.63/55,189.57
  6. Step 6: Final answer
    x = 53,939.40

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Double scale
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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.