Home / 57,676.47-79,601.39-33,812.65

Finding the Fourth Proportional to 57,676.47, 79,601.39 and 33,812.65

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Solution

The fourth proportional to 57,676.47, 79,601.39 and 33,812.65 is: 46,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,676.47 : 79,601.39 = 33,812.65 : x
  2. Step 2: Convert to fraction form
    57,676.47/79,601.39 = 33,812.65/x
  3. Step 3: Cross multiply
    57,676.47x = 79,601.39 × 33,812.65
  4. Step 4: Simplify right side
    57,676.47x = 2,691,533,939.58
  5. Step 5: Solve for x
    x = 2,691,533,939.58/57,676.47
  6. Step 6: Final answer
    x = 46,666.07

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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.