Home / 115,188.74-172,711.82-44,985.50

Finding the Fourth Proportional to 115,188.74, 172,711.82 and 44,985.50

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Solution

The fourth proportional to 115,188.74, 172,711.82 and 44,985.50 is: 67,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,188.74 : 172,711.82 = 44,985.50 : x
  2. Step 2: Convert to fraction form
    115,188.74/172,711.82 = 44,985.50/x
  3. Step 3: Cross multiply
    115,188.74x = 172,711.82 × 44,985.50
  4. Step 4: Simplify right side
    115,188.74x = 7,769,527,578.61
  5. Step 5: Solve for x
    x = 7,769,527,578.61/115,188.74
  6. Step 6: Final answer
    x = 67,450.41

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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.