Home / 70,983.66-97,949.67-39,150.54

Finding the Fourth Proportional to 70,983.66, 97,949.67 and 39,150.54

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Solution

The fourth proportional to 70,983.66, 97,949.67 and 39,150.54 is: 54,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,983.66 : 97,949.67 = 39,150.54 : x
  2. Step 2: Convert to fraction form
    70,983.66/97,949.67 = 39,150.54/x
  3. Step 3: Cross multiply
    70,983.66x = 97,949.67 × 39,150.54
  4. Step 4: Simplify right side
    70,983.66x = 3,834,782,473.32
  5. Step 5: Solve for x
    x = 3,834,782,473.32/70,983.66
  6. Step 6: Final answer
    x = 54,023.45

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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.