Home / 57,753.13-86,632.76-18,313.35

Finding the Fourth Proportional to 57,753.13, 86,632.76 and 18,313.35

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Solution

The fourth proportional to 57,753.13, 86,632.76 and 18,313.35 is: 27,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,753.13 : 86,632.76 = 18,313.35 : x
  2. Step 2: Convert to fraction form
    57,753.13/86,632.76 = 18,313.35/x
  3. Step 3: Cross multiply
    57,753.13x = 86,632.76 × 18,313.35
  4. Step 4: Simplify right side
    57,753.13x = 1,586,536,101.13
  5. Step 5: Solve for x
    x = 1,586,536,101.13/57,753.13
  6. Step 6: Final answer
    x = 27,471.00

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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.