Home / 70,993.06-97,970.43-39,162.04

Finding the Fourth Proportional to 70,993.06, 97,970.43 and 39,162.04

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Solution

The fourth proportional to 70,993.06, 97,970.43 and 39,162.04 is: 54,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,993.06 : 97,970.43 = 39,162.04 : x
  2. Step 2: Convert to fraction form
    70,993.06/97,970.43 = 39,162.04/x
  3. Step 3: Cross multiply
    70,993.06x = 97,970.43 × 39,162.04
  4. Step 4: Simplify right side
    70,993.06x = 3,836,721,898.48
  5. Step 5: Solve for x
    x = 3,836,721,898.48/70,993.06
  6. Step 6: Final answer
    x = 54,043.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.