Home / 70,172.66-105,185.46-32,701.82

Finding the Fourth Proportional to 70,172.66, 105,185.46 and 32,701.82

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Solution

The fourth proportional to 70,172.66, 105,185.46 and 32,701.82 is: 49,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.66 : 105,185.46 = 32,701.82 : x
  2. Step 2: Convert to fraction form
    70,172.66/105,185.46 = 32,701.82/x
  3. Step 3: Cross multiply
    70,172.66x = 105,185.46 × 32,701.82
  4. Step 4: Simplify right side
    70,172.66x = 3,439,755,979.54
  5. Step 5: Solve for x
    x = 3,439,755,979.54/70,172.66
  6. Step 6: Final answer
    x = 49,018.46

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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.