Home / 57,606.20-86,409.31-18,166.40

Finding the Fourth Proportional to 57,606.20, 86,409.31 and 18,166.40

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Solution

The fourth proportional to 57,606.20, 86,409.31 and 18,166.40 is: 27,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,606.20 : 86,409.31 = 18,166.40 : x
  2. Step 2: Convert to fraction form
    57,606.20/86,409.31 = 18,166.40/x
  3. Step 3: Cross multiply
    57,606.20x = 86,409.31 × 18,166.40
  4. Step 4: Simplify right side
    57,606.20x = 1,569,745,827.74
  5. Step 5: Solve for x
    x = 1,569,745,827.74/57,606.20
  6. Step 6: Final answer
    x = 27,249.60

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1.5x scale

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.