Home / 96,851.28-133,345.80-82,647.12

Finding the Fourth Proportional to 96,851.28, 133,345.80 and 82,647.12

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Solution

The fourth proportional to 96,851.28, 133,345.80 and 82,647.12 is: 113,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,851.28 : 133,345.80 = 82,647.12 : x
  2. Step 2: Convert to fraction form
    96,851.28/133,345.80 = 82,647.12/x
  3. Step 3: Cross multiply
    96,851.28x = 133,345.80 × 82,647.12
  4. Step 4: Simplify right side
    96,851.28x = 11,020,646,334.10
  5. Step 5: Solve for x
    x = 11,020,646,334.10/96,851.28
  6. Step 6: Final answer
    x = 113,789.37

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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.