Home / 57,713.10-86,558.72-20,264.37

Finding the Fourth Proportional to 57,713.10, 86,558.72 and 20,264.37

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Solution

The fourth proportional to 57,713.10, 86,558.72 and 20,264.37 is: 30,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.10 : 86,558.72 = 20,264.37 : x
  2. Step 2: Convert to fraction form
    57,713.10/86,558.72 = 20,264.37/x
  3. Step 3: Cross multiply
    57,713.10x = 86,558.72 × 20,264.37
  4. Step 4: Simplify right side
    57,713.10x = 1,754,057,827.48
  5. Step 5: Solve for x
    x = 1,754,057,827.48/57,713.10
  6. Step 6: Final answer
    x = 30,392.72

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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.