Home / 70,993.07-97,972.49-39,164.02

Finding the Fourth Proportional to 70,993.07, 97,972.49 and 39,164.02

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Solution

The fourth proportional to 70,993.07, 97,972.49 and 39,164.02 is: 54,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,993.07 : 97,972.49 = 39,164.02 : x
  2. Step 2: Convert to fraction form
    70,993.07/97,972.49 = 39,164.02/x
  3. Step 3: Cross multiply
    70,993.07x = 97,972.49 × 39,164.02
  4. Step 4: Simplify right side
    70,993.07x = 3,836,996,557.81
  5. Step 5: Solve for x
    x = 3,836,996,557.81/70,993.07
  6. Step 6: Final answer
    x = 54,047.48

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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.