Home / 53,235.20-79,814.40-34,777.60

Finding the Fourth Proportional to 53,235.20, 79,814.40 and 34,777.60

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Solution

The fourth proportional to 53,235.20, 79,814.40 and 34,777.60 is: 52,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.20 : 79,814.40 = 34,777.60 : x
  2. Step 2: Convert to fraction form
    53,235.20/79,814.40 = 34,777.60/x
  3. Step 3: Cross multiply
    53,235.20x = 79,814.40 × 34,777.60
  4. Step 4: Simplify right side
    53,235.20x = 2,775,753,277.44
  5. Step 5: Solve for x
    x = 2,775,753,277.44/53,235.20
  6. Step 6: Final answer
    x = 52,141.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.