Home / 97,311.11-145,965.77-30,751.23

Finding the Fourth Proportional to 97,311.11, 145,965.77 and 30,751.23

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Solution

The fourth proportional to 97,311.11, 145,965.77 and 30,751.23 is: 46,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,311.11 : 145,965.77 = 30,751.23 : x
  2. Step 2: Convert to fraction form
    97,311.11/145,965.77 = 30,751.23/x
  3. Step 3: Cross multiply
    97,311.11x = 145,965.77 × 30,751.23
  4. Step 4: Simplify right side
    97,311.11x = 4,488,626,235.57
  5. Step 5: Solve for x
    x = 4,488,626,235.57/97,311.11
  6. Step 6: Final answer
    x = 46,126.56

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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.