Home / 47,149.85-65,013.65-34,380.51

Finding the Fourth Proportional to 47,149.85, 65,013.65 and 34,380.51

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Solution

The fourth proportional to 47,149.85, 65,013.65 and 34,380.51 is: 47,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,149.85 : 65,013.65 = 34,380.51 : x
  2. Step 2: Convert to fraction form
    47,149.85/65,013.65 = 34,380.51/x
  3. Step 3: Cross multiply
    47,149.85x = 65,013.65 × 34,380.51
  4. Step 4: Simplify right side
    47,149.85x = 2,235,202,443.96
  5. Step 5: Solve for x
    x = 2,235,202,443.96/47,149.85
  6. Step 6: Final answer
    x = 47,406.35

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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.