Home / 57,216.09-78,954.35-33,018.06

Finding the Fourth Proportional to 57,216.09, 78,954.35 and 33,018.06

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Solution

The fourth proportional to 57,216.09, 78,954.35 and 33,018.06 is: 45,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216.09 : 78,954.35 = 33,018.06 : x
  2. Step 2: Convert to fraction form
    57,216.09/78,954.35 = 33,018.06/x
  3. Step 3: Cross multiply
    57,216.09x = 78,954.35 × 33,018.06
  4. Step 4: Simplify right side
    57,216.09x = 2,606,919,243.05
  5. Step 5: Solve for x
    x = 2,606,919,243.05/57,216.09
  6. Step 6: Final answer
    x = 45,562.70

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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.