Home / 91,799.87-126,682.63-51,514.43

Finding the Fourth Proportional to 91,799.87, 126,682.63 and 51,514.43

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Solution

The fourth proportional to 91,799.87, 126,682.63 and 51,514.43 is: 71,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.87 : 126,682.63 = 51,514.43 : x
  2. Step 2: Convert to fraction form
    91,799.87/126,682.63 = 51,514.43/x
  3. Step 3: Cross multiply
    91,799.87x = 126,682.63 × 51,514.43
  4. Step 4: Simplify right side
    91,799.87x = 6,525,982,713.15
  5. Step 5: Solve for x
    x = 6,525,982,713.15/91,799.87
  6. Step 6: Final answer
    x = 71,089.24

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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.