Home / 74,747.53-103,125.72-47,904.84

Finding the Fourth Proportional to 74,747.53, 103,125.72 and 47,904.84

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Solution

The fourth proportional to 74,747.53, 103,125.72 and 47,904.84 is: 66,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.53 : 103,125.72 = 47,904.84 : x
  2. Step 2: Convert to fraction form
    74,747.53/103,125.72 = 47,904.84/x
  3. Step 3: Cross multiply
    74,747.53x = 103,125.72 × 47,904.84
  4. Step 4: Simplify right side
    74,747.53x = 4,940,220,361.33
  5. Step 5: Solve for x
    x = 4,940,220,361.33/74,747.53
  6. Step 6: Final answer
    x = 66,092.09

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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.