Home / 57,873.23-86,816.06-18,421.11

Finding the Fourth Proportional to 57,873.23, 86,816.06 and 18,421.11

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Solution

The fourth proportional to 57,873.23, 86,816.06 and 18,421.11 is: 27,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,873.23 : 86,816.06 = 18,421.11 : x
  2. Step 2: Convert to fraction form
    57,873.23/86,816.06 = 18,421.11/x
  3. Step 3: Cross multiply
    57,873.23x = 86,816.06 × 18,421.11
  4. Step 4: Simplify right side
    57,873.23x = 1,599,248,237.08
  5. Step 5: Solve for x
    x = 1,599,248,237.08/57,873.23
  6. Step 6: Final answer
    x = 27,633.65

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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.