Home / 126,036.64-173,929.84-68,675.92

Finding the Fourth Proportional to 126,036.64, 173,929.84 and 68,675.92

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Solution

The fourth proportional to 126,036.64, 173,929.84 and 68,675.92 is: 94,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036.64 : 173,929.84 = 68,675.92 : x
  2. Step 2: Convert to fraction form
    126,036.64/173,929.84 = 68,675.92/x
  3. Step 3: Cross multiply
    126,036.64x = 173,929.84 × 68,675.92
  4. Step 4: Simplify right side
    126,036.64x = 11,944,791,777.45
  5. Step 5: Solve for x
    x = 11,944,791,777.45/126,036.64
  6. Step 6: Final answer
    x = 94,772.38

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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.