Home / 47,911.20-65,638.58-46,115.50

Finding the Fourth Proportional to 47,911.20, 65,638.58 and 46,115.50

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Solution

The fourth proportional to 47,911.20, 65,638.58 and 46,115.50 is: 63,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.20 : 65,638.58 = 46,115.50 : x
  2. Step 2: Convert to fraction form
    47,911.20/65,638.58 = 46,115.50/x
  3. Step 3: Cross multiply
    47,911.20x = 65,638.58 × 46,115.50
  4. Step 4: Simplify right side
    47,911.20x = 3,026,955,771.89
  5. Step 5: Solve for x
    x = 3,026,955,771.89/47,911.20
  6. Step 6: Final answer
    x = 63,178.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.