Home / 66,330.90-99,496.44-54,619.56

Finding the Fourth Proportional to 66,330.90, 99,496.44 and 54,619.56

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Solution

The fourth proportional to 66,330.90, 99,496.44 and 54,619.56 is: 81,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.90 : 99,496.44 = 54,619.56 : x
  2. Step 2: Convert to fraction form
    66,330.90/99,496.44 = 54,619.56/x
  3. Step 3: Cross multiply
    66,330.90x = 99,496.44 × 54,619.56
  4. Step 4: Simplify right side
    66,330.90x = 5,434,451,774.37
  5. Step 5: Solve for x
    x = 5,434,451,774.37/66,330.90
  6. Step 6: Final answer
    x = 81,929.41

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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.