Home / 61,789.45-85,272.28-34,933.09

Finding the Fourth Proportional to 61,789.45, 85,272.28 and 34,933.09

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Solution

The fourth proportional to 61,789.45, 85,272.28 and 34,933.09 is: 48,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.45 : 85,272.28 = 34,933.09 : x
  2. Step 2: Convert to fraction form
    61,789.45/85,272.28 = 34,933.09/x
  3. Step 3: Cross multiply
    61,789.45x = 85,272.28 × 34,933.09
  4. Step 4: Simplify right side
    61,789.45x = 2,978,823,805.38
  5. Step 5: Solve for x
    x = 2,978,823,805.38/61,789.45
  6. Step 6: Final answer
    x = 48,209.27

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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.