Home / 57,458.03-79,226.69-40,456.83

Finding the Fourth Proportional to 57,458.03, 79,226.69 and 40,456.83

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Solution

The fourth proportional to 57,458.03, 79,226.69 and 40,456.83 is: 55,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.03 : 79,226.69 = 40,456.83 : x
  2. Step 2: Convert to fraction form
    57,458.03/79,226.69 = 40,456.83/x
  3. Step 3: Cross multiply
    57,458.03x = 79,226.69 × 40,456.83
  4. Step 4: Simplify right side
    57,458.03x = 3,205,260,829.93
  5. Step 5: Solve for x
    x = 3,205,260,829.93/57,458.03
  6. Step 6: Final answer
    x = 55,784.39

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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.