Home / 66,493.26-99,756.30-19,746.06

Finding the Fourth Proportional to 66,493.26, 99,756.30 and 19,746.06

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Solution

The fourth proportional to 66,493.26, 99,756.30 and 19,746.06 is: 29,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,493.26 : 99,756.30 = 19,746.06 : x
  2. Step 2: Convert to fraction form
    66,493.26/99,756.30 = 19,746.06/x
  3. Step 3: Cross multiply
    66,493.26x = 99,756.30 × 19,746.06
  4. Step 4: Simplify right side
    66,493.26x = 1,969,793,885.18
  5. Step 5: Solve for x
    x = 1,969,793,885.18/66,493.26
  6. Step 6: Final answer
    x = 29,623.96

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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.