Home / 57,156.33-78,824.34-36,992.19

Finding the Fourth Proportional to 57,156.33, 78,824.34 and 36,992.19

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Solution

The fourth proportional to 57,156.33, 78,824.34 and 36,992.19 is: 51,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.33 : 78,824.34 = 36,992.19 : x
  2. Step 2: Convert to fraction form
    57,156.33/78,824.34 = 36,992.19/x
  3. Step 3: Cross multiply
    57,156.33x = 78,824.34 × 36,992.19
  4. Step 4: Simplify right side
    57,156.33x = 2,915,885,257.50
  5. Step 5: Solve for x
    x = 2,915,885,257.50/57,156.33
  6. Step 6: Final answer
    x = 51,015.96

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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.