Home / 70,936.81-97,891.34-39,105.70

Finding the Fourth Proportional to 70,936.81, 97,891.34 and 39,105.70

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Solution

The fourth proportional to 70,936.81, 97,891.34 and 39,105.70 is: 53,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.81 : 97,891.34 = 39,105.70 : x
  2. Step 2: Convert to fraction form
    70,936.81/97,891.34 = 39,105.70/x
  3. Step 3: Cross multiply
    70,936.81x = 97,891.34 × 39,105.70
  4. Step 4: Simplify right side
    70,936.81x = 3,828,109,227.67
  5. Step 5: Solve for x
    x = 3,828,109,227.67/70,936.81
  6. Step 6: Final answer
    x = 53,965.06

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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.