Home / 69,438.40-104,158.20-16,848.34

Finding the Fourth Proportional to 69,438.40, 104,158.20 and 16,848.34

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Solution

The fourth proportional to 69,438.40, 104,158.20 and 16,848.34 is: 25,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.40 : 104,158.20 = 16,848.34 : x
  2. Step 2: Convert to fraction form
    69,438.40/104,158.20 = 16,848.34/x
  3. Step 3: Cross multiply
    69,438.40x = 104,158.20 × 16,848.34
  4. Step 4: Simplify right side
    69,438.40x = 1,754,892,767.39
  5. Step 5: Solve for x
    x = 1,754,892,767.39/69,438.40
  6. Step 6: Final answer
    x = 25,272.66

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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.