Home / 49,109.40-73,664.10-12,173.40

Finding the Fourth Proportional to 49,109.40, 73,664.10 and 12,173.40

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Solution

The fourth proportional to 49,109.40, 73,664.10 and 12,173.40 is: 18,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,109.40 : 73,664.10 = 12,173.40 : x
  2. Step 2: Convert to fraction form
    49,109.40/73,664.10 = 12,173.40/x
  3. Step 3: Cross multiply
    49,109.40x = 73,664.10 × 12,173.40
  4. Step 4: Simplify right side
    49,109.40x = 896,742,554.94
  5. Step 5: Solve for x
    x = 896,742,554.94/49,109.40
  6. Step 6: Final answer
    x = 18,260.10

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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.