Home / 106,763.04-160,173.72-31,886.64

Finding the Fourth Proportional to 106,763.04, 160,173.72 and 31,886.64

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Solution

The fourth proportional to 106,763.04, 160,173.72 and 31,886.64 is: 47,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,763.04 : 160,173.72 = 31,886.64 : x
  2. Step 2: Convert to fraction form
    106,763.04/160,173.72 = 31,886.64/x
  3. Step 3: Cross multiply
    106,763.04x = 160,173.72 × 31,886.64
  4. Step 4: Simplify right side
    106,763.04x = 5,107,401,747.10
  5. Step 5: Solve for x
    x = 5,107,401,747.10/106,763.04
  6. Step 6: Final answer
    x = 47,838.67

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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.