Home / 96,479.16-133,086.99-68,135.64

Finding the Fourth Proportional to 96,479.16, 133,086.99 and 68,135.64

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Solution

The fourth proportional to 96,479.16, 133,086.99 and 68,135.64 is: 93,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,479.16 : 133,086.99 = 68,135.64 : x
  2. Step 2: Convert to fraction form
    96,479.16/133,086.99 = 68,135.64/x
  3. Step 3: Cross multiply
    96,479.16x = 133,086.99 × 68,135.64
  4. Step 4: Simplify right side
    96,479.16x = 9,067,967,239.32
  5. Step 5: Solve for x
    x = 9,067,967,239.32/96,479.16
  6. Step 6: Final answer
    x = 93,988.87

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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.