Home / 57,712.32-86,563.62-18,263.70

Finding the Fourth Proportional to 57,712.32, 86,563.62 and 18,263.70

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Solution

The fourth proportional to 57,712.32, 86,563.62 and 18,263.70 is: 27,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.32 : 86,563.62 = 18,263.70 : x
  2. Step 2: Convert to fraction form
    57,712.32/86,563.62 = 18,263.70/x
  3. Step 3: Cross multiply
    57,712.32x = 86,563.62 × 18,263.70
  4. Step 4: Simplify right side
    57,712.32x = 1,580,971,986.59
  5. Step 5: Solve for x
    x = 1,580,971,986.59/57,712.32
  6. Step 6: Final answer
    x = 27,394.01

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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.