Home / 57,345.60-79,123.08-33,458.64

Finding the Fourth Proportional to 57,345.60, 79,123.08 and 33,458.64

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Solution

The fourth proportional to 57,345.60, 79,123.08 and 33,458.64 is: 46,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.60 : 79,123.08 = 33,458.64 : x
  2. Step 2: Convert to fraction form
    57,345.60/79,123.08 = 33,458.64/x
  3. Step 3: Cross multiply
    57,345.60x = 79,123.08 × 33,458.64
  4. Step 4: Simplify right side
    57,345.60x = 2,647,350,649.41
  5. Step 5: Solve for x
    x = 2,647,350,649.41/57,345.60
  6. Step 6: Final answer
    x = 46,164.84

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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.