Home / 70,243.31-96,935.87-39,616.81

Finding the Fourth Proportional to 70,243.31, 96,935.87 and 39,616.81

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Solution

The fourth proportional to 70,243.31, 96,935.87 and 39,616.81 is: 54,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,243.31 : 96,935.87 = 39,616.81 : x
  2. Step 2: Convert to fraction form
    70,243.31/96,935.87 = 39,616.81/x
  3. Step 3: Cross multiply
    70,243.31x = 96,935.87 × 39,616.81
  4. Step 4: Simplify right side
    70,243.31x = 3,840,289,943.97
  5. Step 5: Solve for x
    x = 3,840,289,943.97/70,243.31
  6. Step 6: Final answer
    x = 54,671.26

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1.5x scale

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.