Home / 105,496.62-145,586.93-57,754.41

Finding the Fourth Proportional to 105,496.62, 145,586.93 and 57,754.41

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Solution

The fourth proportional to 105,496.62, 145,586.93 and 57,754.41 is: 79,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,496.62 : 145,586.93 = 57,754.41 : x
  2. Step 2: Convert to fraction form
    105,496.62/145,586.93 = 57,754.41/x
  3. Step 3: Cross multiply
    105,496.62x = 145,586.93 × 57,754.41
  4. Step 4: Simplify right side
    105,496.62x = 8,408,287,245.86
  5. Step 5: Solve for x
    x = 8,408,287,245.86/105,496.62
  6. Step 6: Final answer
    x = 79,701.96

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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.