Home / 81,234.03-121,862.57-25,063.67

Finding the Fourth Proportional to 81,234.03, 121,862.57 and 25,063.67

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Solution

The fourth proportional to 81,234.03, 121,862.57 and 25,063.67 is: 37,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,234.03 : 121,862.57 = 25,063.67 : x
  2. Step 2: Convert to fraction form
    81,234.03/121,862.57 = 25,063.67/x
  3. Step 3: Cross multiply
    81,234.03x = 121,862.57 × 25,063.67
  4. Step 4: Simplify right side
    81,234.03x = 3,054,322,693.18
  5. Step 5: Solve for x
    x = 3,054,322,693.18/81,234.03
  6. Step 6: Final answer
    x = 37,599.05

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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.