Home / 70,974.71-97,947.29-40,766.10

Finding the Fourth Proportional to 70,974.71, 97,947.29 and 40,766.10

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Solution

The fourth proportional to 70,974.71, 97,947.29 and 40,766.10 is: 56,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,974.71 : 97,947.29 = 40,766.10 : x
  2. Step 2: Convert to fraction form
    70,974.71/97,947.29 = 40,766.10/x
  3. Step 3: Cross multiply
    70,974.71x = 97,947.29 × 40,766.10
  4. Step 4: Simplify right side
    70,974.71x = 3,992,928,529.13
  5. Step 5: Solve for x
    x = 3,992,928,529.13/70,974.71
  6. Step 6: Final answer
    x = 56,258.47

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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.