Home / 57,216.70-85,803.97-19,767.16

Finding the Fourth Proportional to 57,216.70, 85,803.97 and 19,767.16

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Solution

The fourth proportional to 57,216.70, 85,803.97 and 19,767.16 is: 29,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216.70 : 85,803.97 = 19,767.16 : x
  2. Step 2: Convert to fraction form
    57,216.70/85,803.97 = 19,767.16/x
  3. Step 3: Cross multiply
    57,216.70x = 85,803.97 × 19,767.16
  4. Step 4: Simplify right side
    57,216.70x = 1,696,100,803.63
  5. Step 5: Solve for x
    x = 1,696,100,803.63/57,216.70
  6. Step 6: Final answer
    x = 29,643.46

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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.