Home / 57,538.21-86,320.89-18,095.32

Finding the Fourth Proportional to 57,538.21, 86,320.89 and 18,095.32

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Solution

The fourth proportional to 57,538.21, 86,320.89 and 18,095.32 is: 27,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.21 : 86,320.89 = 18,095.32 : x
  2. Step 2: Convert to fraction form
    57,538.21/86,320.89 = 18,095.32/x
  3. Step 3: Cross multiply
    57,538.21x = 86,320.89 × 18,095.32
  4. Step 4: Simplify right side
    57,538.21x = 1,562,004,127.23
  5. Step 5: Solve for x
    x = 1,562,004,127.23/57,538.21
  6. Step 6: Final answer
    x = 27,147.25

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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.