Home / 73,391.28-101,279.88-39,857.04

Finding the Fourth Proportional to 73,391.28, 101,279.88 and 39,857.04

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Solution

The fourth proportional to 73,391.28, 101,279.88 and 39,857.04 is: 55,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,391.28 : 101,279.88 = 39,857.04 : x
  2. Step 2: Convert to fraction form
    73,391.28/101,279.88 = 39,857.04/x
  3. Step 3: Cross multiply
    73,391.28x = 101,279.88 × 39,857.04
  4. Step 4: Simplify right side
    73,391.28x = 4,036,716,228.36
  5. Step 5: Solve for x
    x = 4,036,716,228.36/73,391.28
  6. Step 6: Final answer
    x = 55,002.67

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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.