Home / 90,926.97-125,468.18-52,162.79

Finding the Fourth Proportional to 90,926.97, 125,468.18 and 52,162.79

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Solution

The fourth proportional to 90,926.97, 125,468.18 and 52,162.79 is: 71,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.97 : 125,468.18 = 52,162.79 : x
  2. Step 2: Convert to fraction form
    90,926.97/125,468.18 = 52,162.79/x
  3. Step 3: Cross multiply
    90,926.97x = 125,468.18 × 52,162.79
  4. Step 4: Simplify right side
    90,926.97x = 6,544,769,828.09
  5. Step 5: Solve for x
    x = 6,544,769,828.09/90,926.97
  6. Step 6: Final answer
    x = 71,978.31

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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.