Home / 57,458.48-86,099.76-38,669

Finding the Fourth Proportional to 57,458.48, 86,099.76 and 38,669

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Solution

The fourth proportional to 57,458.48, 86,099.76 and 38,669 is: 57,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.48 : 86,099.76 = 38,669 : x
  2. Step 2: Convert to fraction form
    57,458.48/86,099.76 = 38,669/x
  3. Step 3: Cross multiply
    57,458.48x = 86,099.76 × 38,669
  4. Step 4: Simplify right side
    57,458.48x = 3,329,391,619.44
  5. Step 5: Solve for x
    x = 3,329,391,619.44/57,458.48
  6. Step 6: Final answer
    x = 57,944.30

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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.