Home / 70,491.41-97,278.20-38,660.44

Finding the Fourth Proportional to 70,491.41, 97,278.20 and 38,660.44

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Solution

The fourth proportional to 70,491.41, 97,278.20 and 38,660.44 is: 53,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,491.41 : 97,278.20 = 38,660.44 : x
  2. Step 2: Convert to fraction form
    70,491.41/97,278.20 = 38,660.44/x
  3. Step 3: Cross multiply
    70,491.41x = 97,278.20 × 38,660.44
  4. Step 4: Simplify right side
    70,491.41x = 3,760,817,334.71
  5. Step 5: Solve for x
    x = 3,760,817,334.71/70,491.41
  6. Step 6: Final answer
    x = 53,351.43

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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.