Home / 67,060.58-100,606.44-19,673.76

Finding the Fourth Proportional to 67,060.58, 100,606.44 and 19,673.76

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Solution

The fourth proportional to 67,060.58, 100,606.44 and 19,673.76 is: 29,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,060.58 : 100,606.44 = 19,673.76 : x
  2. Step 2: Convert to fraction form
    67,060.58/100,606.44 = 19,673.76/x
  3. Step 3: Cross multiply
    67,060.58x = 100,606.44 × 19,673.76
  4. Step 4: Simplify right side
    67,060.58x = 1,979,306,503.96
  5. Step 5: Solve for x
    x = 1,979,306,503.96/67,060.58
  6. Step 6: Final answer
    x = 29,515.20

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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.