Home / 103,270.41-142,524.09-57,960.63

Finding the Fourth Proportional to 103,270.41, 142,524.09 and 57,960.63

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Solution

The fourth proportional to 103,270.41, 142,524.09 and 57,960.63 is: 79,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,270.41 : 142,524.09 = 57,960.63 : x
  2. Step 2: Convert to fraction form
    103,270.41/142,524.09 = 57,960.63/x
  3. Step 3: Cross multiply
    103,270.41x = 142,524.09 × 57,960.63
  4. Step 4: Simplify right side
    103,270.41x = 8,260,786,046.58
  5. Step 5: Solve for x
    x = 8,260,786,046.58/103,270.41
  6. Step 6: Final answer
    x = 79,991.80

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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.