Home / 68,205.40-102,261.82-23,807.88

Finding the Fourth Proportional to 68,205.40, 102,261.82 and 23,807.88

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Solution

The fourth proportional to 68,205.40, 102,261.82 and 23,807.88 is: 35,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,205.40 : 102,261.82 = 23,807.88 : x
  2. Step 2: Convert to fraction form
    68,205.40/102,261.82 = 23,807.88/x
  3. Step 3: Cross multiply
    68,205.40x = 102,261.82 × 23,807.88
  4. Step 4: Simplify right side
    68,205.40x = 2,434,637,139.14
  5. Step 5: Solve for x
    x = 2,434,637,139.14/68,205.40
  6. Step 6: Final answer
    x = 35,695.67

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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.