Home / 70,150.73-105,239.82-25,777.85

Finding the Fourth Proportional to 70,150.73, 105,239.82 and 25,777.85

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Solution

The fourth proportional to 70,150.73, 105,239.82 and 25,777.85 is: 38,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,150.73 : 105,239.82 = 25,777.85 : x
  2. Step 2: Convert to fraction form
    70,150.73/105,239.82 = 25,777.85/x
  3. Step 3: Cross multiply
    70,150.73x = 105,239.82 × 25,777.85
  4. Step 4: Simplify right side
    70,150.73x = 2,712,856,293.99
  5. Step 5: Solve for x
    x = 2,712,856,293.99/70,150.73
  6. Step 6: Final answer
    x = 38,671.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.