Home / 85,243.19-127,819.62-37,837.67

Finding the Fourth Proportional to 85,243.19, 127,819.62 and 37,837.67

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Solution

The fourth proportional to 85,243.19, 127,819.62 and 37,837.67 is: 56,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,243.19 : 127,819.62 = 37,837.67 : x
  2. Step 2: Convert to fraction form
    85,243.19/127,819.62 = 37,837.67/x
  3. Step 3: Cross multiply
    85,243.19x = 127,819.62 × 37,837.67
  4. Step 4: Simplify right side
    85,243.19x = 4,836,395,961.99
  5. Step 5: Solve for x
    x = 4,836,395,961.99/85,243.19
  6. Step 6: Final answer
    x = 56,736.45

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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.