Home / 57,771.23-79,765.66-45,653.42

Finding the Fourth Proportional to 57,771.23, 79,765.66 and 45,653.42

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Solution

The fourth proportional to 57,771.23, 79,765.66 and 45,653.42 is: 63,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,771.23 : 79,765.66 = 45,653.42 : x
  2. Step 2: Convert to fraction form
    57,771.23/79,765.66 = 45,653.42/x
  3. Step 3: Cross multiply
    57,771.23x = 79,765.66 × 45,653.42
  4. Step 4: Simplify right side
    57,771.23x = 3,641,575,434.04
  5. Step 5: Solve for x
    x = 3,641,575,434.04/57,771.23
  6. Step 6: Final answer
    x = 63,034.42

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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.