Home / 92,321.28-138,460.48-36,162.56

Finding the Fourth Proportional to 92,321.28, 138,460.48 and 36,162.56

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Solution

The fourth proportional to 92,321.28, 138,460.48 and 36,162.56 is: 54,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,321.28 : 138,460.48 = 36,162.56 : x
  2. Step 2: Convert to fraction form
    92,321.28/138,460.48 = 36,162.56/x
  3. Step 3: Cross multiply
    92,321.28x = 138,460.48 × 36,162.56
  4. Step 4: Simplify right side
    92,321.28x = 5,007,085,415.63
  5. Step 5: Solve for x
    x = 5,007,085,415.63/92,321.28
  6. Step 6: Final answer
    x = 54,235.44

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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.