Home / 96,822.12-133,614-54,380.64

Finding the Fourth Proportional to 96,822.12, 133,614 and 54,380.64

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Solution

The fourth proportional to 96,822.12, 133,614 and 54,380.64 is: 75,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,822.12 : 133,614 = 54,380.64 : x
  2. Step 2: Convert to fraction form
    96,822.12/133,614 = 54,380.64/x
  3. Step 3: Cross multiply
    96,822.12x = 133,614 × 54,380.64
  4. Step 4: Simplify right side
    96,822.12x = 7,266,014,832.96
  5. Step 5: Solve for x
    x = 7,266,014,832.96/96,822.12
  6. Step 6: Final answer
    x = 75,044.99

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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.