Home / 61,934.13-85,469.45-36,783.09

Finding the Fourth Proportional to 61,934.13, 85,469.45 and 36,783.09

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Solution

The fourth proportional to 61,934.13, 85,469.45 and 36,783.09 is: 50,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,934.13 : 85,469.45 = 36,783.09 : x
  2. Step 2: Convert to fraction form
    61,934.13/85,469.45 = 36,783.09/x
  3. Step 3: Cross multiply
    61,934.13x = 85,469.45 × 36,783.09
  4. Step 4: Simplify right side
    61,934.13x = 3,143,830,287.69
  5. Step 5: Solve for x
    x = 3,143,830,287.69/61,934.13
  6. Step 6: Final answer
    x = 50,760.87

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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.