Home / 52,981.12-73,115.52-29,109.28

Finding the Fourth Proportional to 52,981.12, 73,115.52 and 29,109.28

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Solution

The fourth proportional to 52,981.12, 73,115.52 and 29,109.28 is: 40,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,981.12 : 73,115.52 = 29,109.28 : x
  2. Step 2: Convert to fraction form
    52,981.12/73,115.52 = 29,109.28/x
  3. Step 3: Cross multiply
    52,981.12x = 73,115.52 × 29,109.28
  4. Step 4: Simplify right side
    52,981.12x = 2,128,340,144.03
  5. Step 5: Solve for x
    x = 2,128,340,144.03/52,981.12
  6. Step 6: Final answer
    x = 40,171.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.