Home / 96,659.40-133,086.84-87,802.04

Finding the Fourth Proportional to 96,659.40, 133,086.84 and 87,802.04

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Solution

The fourth proportional to 96,659.40, 133,086.84 and 87,802.04 is: 120,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,659.40 : 133,086.84 = 87,802.04 : x
  2. Step 2: Convert to fraction form
    96,659.40/133,086.84 = 87,802.04/x
  3. Step 3: Cross multiply
    96,659.40x = 133,086.84 × 87,802.04
  4. Step 4: Simplify right side
    96,659.40x = 11,685,296,049.15
  5. Step 5: Solve for x
    x = 11,685,296,049.15/96,659.40
  6. Step 6: Final answer
    x = 120,891.46

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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.