Home / 57,666.56-79,533.72-39,757.52

Finding the Fourth Proportional to 57,666.56, 79,533.72 and 39,757.52

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Solution

The fourth proportional to 57,666.56, 79,533.72 and 39,757.52 is: 54,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666.56 : 79,533.72 = 39,757.52 : x
  2. Step 2: Convert to fraction form
    57,666.56/79,533.72 = 39,757.52/x
  3. Step 3: Cross multiply
    57,666.56x = 79,533.72 × 39,757.52
  4. Step 4: Simplify right side
    57,666.56x = 3,162,063,463.57
  5. Step 5: Solve for x
    x = 3,162,063,463.57/57,666.56
  6. Step 6: Final answer
    x = 54,833.57

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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.