Home / 47,703.22-65,830.70-29,808.60

Finding the Fourth Proportional to 47,703.22, 65,830.70 and 29,808.60

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Solution

The fourth proportional to 47,703.22, 65,830.70 and 29,808.60 is: 41,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,703.22 : 65,830.70 = 29,808.60 : x
  2. Step 2: Convert to fraction form
    47,703.22/65,830.70 = 29,808.60/x
  3. Step 3: Cross multiply
    47,703.22x = 65,830.70 × 29,808.60
  4. Step 4: Simplify right side
    47,703.22x = 1,962,321,004.02
  5. Step 5: Solve for x
    x = 1,962,321,004.02/47,703.22
  6. Step 6: Final answer
    x = 41,136.03

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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.