Home / 61,789.72-85,219.04-37,899.58

Finding the Fourth Proportional to 61,789.72, 85,219.04 and 37,899.58

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Solution

The fourth proportional to 61,789.72, 85,219.04 and 37,899.58 is: 52,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.72 : 85,219.04 = 37,899.58 : x
  2. Step 2: Convert to fraction form
    61,789.72/85,219.04 = 37,899.58/x
  3. Step 3: Cross multiply
    61,789.72x = 85,219.04 × 37,899.58
  4. Step 4: Simplify right side
    61,789.72x = 3,229,765,824.00
  5. Step 5: Solve for x
    x = 3,229,765,824.00/61,789.72
  6. Step 6: Final answer
    x = 52,270.28

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1.5x scale

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.