Home / 125,927.71-173,727.21-83,412.43

Finding the Fourth Proportional to 125,927.71, 173,727.21 and 83,412.43

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Solution

The fourth proportional to 125,927.71, 173,727.21 and 83,412.43 is: 115,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,927.71 : 173,727.21 = 83,412.43 : x
  2. Step 2: Convert to fraction form
    125,927.71/173,727.21 = 83,412.43/x
  3. Step 3: Cross multiply
    125,927.71x = 173,727.21 × 83,412.43
  4. Step 4: Simplify right side
    125,927.71x = 14,491,008,743.22
  5. Step 5: Solve for x
    x = 14,491,008,743.22/125,927.71
  6. Step 6: Final answer
    x = 115,074.03

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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.