Home / 125,980.65-173,853.54-68,619.79

Finding the Fourth Proportional to 125,980.65, 173,853.54 and 68,619.79

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Solution

The fourth proportional to 125,980.65, 173,853.54 and 68,619.79 is: 94,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,980.65 : 173,853.54 = 68,619.79 : x
  2. Step 2: Convert to fraction form
    125,980.65/173,853.54 = 68,619.79/x
  3. Step 3: Cross multiply
    125,980.65x = 173,853.54 × 68,619.79
  4. Step 4: Simplify right side
    125,980.65x = 11,929,793,062.46
  5. Step 5: Solve for x
    x = 11,929,793,062.46/125,980.65
  6. Step 6: Final answer
    x = 94,695.44

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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.