Home / 57,427.96-79,289.10-51,359.16

Finding the Fourth Proportional to 57,427.96, 79,289.10 and 51,359.16

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Solution

The fourth proportional to 57,427.96, 79,289.10 and 51,359.16 is: 70,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,427.96 : 79,289.10 = 51,359.16 : x
  2. Step 2: Convert to fraction form
    57,427.96/79,289.10 = 51,359.16/x
  3. Step 3: Cross multiply
    57,427.96x = 79,289.10 × 51,359.16
  4. Step 4: Simplify right side
    57,427.96x = 4,072,221,573.16
  5. Step 5: Solve for x
    x = 4,072,221,573.16/57,427.96
  6. Step 6: Final answer
    x = 70,910.09

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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.