Home / 58,156.56-80,286.54-39,136.35

Finding the Fourth Proportional to 58,156.56, 80,286.54 and 39,136.35

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Solution

The fourth proportional to 58,156.56, 80,286.54 and 39,136.35 is: 54,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,156.56 : 80,286.54 = 39,136.35 : x
  2. Step 2: Convert to fraction form
    58,156.56/80,286.54 = 39,136.35/x
  3. Step 3: Cross multiply
    58,156.56x = 80,286.54 × 39,136.35
  4. Step 4: Simplify right side
    58,156.56x = 3,142,122,129.73
  5. Step 5: Solve for x
    x = 3,142,122,129.73/58,156.56
  6. Step 6: Final answer
    x = 54,028.68

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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.