Home / 74,885.14-103,383-51,046.84

Finding the Fourth Proportional to 74,885.14, 103,383 and 51,046.84

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Solution

The fourth proportional to 74,885.14, 103,383 and 51,046.84 is: 70,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885.14 : 103,383 = 51,046.84 : x
  2. Step 2: Convert to fraction form
    74,885.14/103,383 = 51,046.84/x
  3. Step 3: Cross multiply
    74,885.14x = 103,383 × 51,046.84
  4. Step 4: Simplify right side
    74,885.14x = 5,277,375,459.72
  5. Step 5: Solve for x
    x = 5,277,375,459.72/74,885.14
  6. Step 6: Final answer
    x = 70,472.93

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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.