Home / 114,855.04-172,292.40-31,749.04

Finding the Fourth Proportional to 114,855.04, 172,292.40 and 31,749.04

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Solution

The fourth proportional to 114,855.04, 172,292.40 and 31,749.04 is: 47,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,855.04 : 172,292.40 = 31,749.04 : x
  2. Step 2: Convert to fraction form
    114,855.04/172,292.40 = 31,749.04/x
  3. Step 3: Cross multiply
    114,855.04x = 172,292.40 × 31,749.04
  4. Step 4: Simplify right side
    114,855.04x = 5,470,118,299.30
  5. Step 5: Solve for x
    x = 5,470,118,299.30/114,855.04
  6. Step 6: Final answer
    x = 47,626.28

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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.