Home / 70,814.57-97,724.12-38,983.23

Finding the Fourth Proportional to 70,814.57, 97,724.12 and 38,983.23

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Solution

The fourth proportional to 70,814.57, 97,724.12 and 38,983.23 is: 53,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.57 : 97,724.12 = 38,983.23 : x
  2. Step 2: Convert to fraction form
    70,814.57/97,724.12 = 38,983.23/x
  3. Step 3: Cross multiply
    70,814.57x = 97,724.12 × 38,983.23
  4. Step 4: Simplify right side
    70,814.57x = 3,809,601,651.59
  5. Step 5: Solve for x
    x = 3,809,601,651.59/70,814.57
  6. Step 6: Final answer
    x = 53,796.87

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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.