Home / 57,601.56-79,437.43-39,478.62

Finding the Fourth Proportional to 57,601.56, 79,437.43 and 39,478.62

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Solution

The fourth proportional to 57,601.56, 79,437.43 and 39,478.62 is: 54,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,601.56 : 79,437.43 = 39,478.62 : x
  2. Step 2: Convert to fraction form
    57,601.56/79,437.43 = 39,478.62/x
  3. Step 3: Cross multiply
    57,601.56x = 79,437.43 × 39,478.62
  4. Step 4: Simplify right side
    57,601.56x = 3,136,080,112.75
  5. Step 5: Solve for x
    x = 3,136,080,112.75/57,601.56
  6. Step 6: Final answer
    x = 54,444.36

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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.