Home / 96,842.52-133,655.13-54,401.09

Finding the Fourth Proportional to 96,842.52, 133,655.13 and 54,401.09

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Solution

The fourth proportional to 96,842.52, 133,655.13 and 54,401.09 is: 75,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,842.52 : 133,655.13 = 54,401.09 : x
  2. Step 2: Convert to fraction form
    96,842.52/133,655.13 = 54,401.09/x
  3. Step 3: Cross multiply
    96,842.52x = 133,655.13 × 54,401.09
  4. Step 4: Simplify right side
    96,842.52x = 7,270,984,087.82
  5. Step 5: Solve for x
    x = 7,270,984,087.82/96,842.52
  6. Step 6: Final answer
    x = 75,080.49

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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.