Home / 124,995.62-187,512.98-40,736.20

Finding the Fourth Proportional to 124,995.62, 187,512.98 and 40,736.20

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Solution

The fourth proportional to 124,995.62, 187,512.98 and 40,736.20 is: 61,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,995.62 : 187,512.98 = 40,736.20 : x
  2. Step 2: Convert to fraction form
    124,995.62/187,512.98 = 40,736.20/x
  3. Step 3: Cross multiply
    124,995.62x = 187,512.98 × 40,736.20
  4. Step 4: Simplify right side
    124,995.62x = 7,638,565,583.41
  5. Step 5: Solve for x
    x = 7,638,565,583.41/124,995.62
  6. Step 6: Final answer
    x = 61,110.67

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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.