Home / 96,983.54-133,921.38-71,534.01

Finding the Fourth Proportional to 96,983.54, 133,921.38 and 71,534.01

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Solution

The fourth proportional to 96,983.54, 133,921.38 and 71,534.01 is: 98,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,983.54 : 133,921.38 = 71,534.01 : x
  2. Step 2: Convert to fraction form
    96,983.54/133,921.38 = 71,534.01/x
  3. Step 3: Cross multiply
    96,983.54x = 133,921.38 × 71,534.01
  4. Step 4: Simplify right side
    96,983.54x = 9,579,933,336.13
  5. Step 5: Solve for x
    x = 9,579,933,336.13/96,983.54
  6. Step 6: Final answer
    x = 98,778.96

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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.