Home / 57,818.89-86,742.14-18,376.08

Finding the Fourth Proportional to 57,818.89, 86,742.14 and 18,376.08

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Solution

The fourth proportional to 57,818.89, 86,742.14 and 18,376.08 is: 27,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,818.89 : 86,742.14 = 18,376.08 : x
  2. Step 2: Convert to fraction form
    57,818.89/86,742.14 = 18,376.08/x
  3. Step 3: Cross multiply
    57,818.89x = 86,742.14 × 18,376.08
  4. Step 4: Simplify right side
    57,818.89x = 1,593,979,978.42
  5. Step 5: Solve for x
    x = 1,593,979,978.42/57,818.89
  6. Step 6: Final answer
    x = 27,568.50

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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.