Home / 112,044.94-154,611.05-66,713.90

Finding the Fourth Proportional to 112,044.94, 154,611.05 and 66,713.90

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Solution

The fourth proportional to 112,044.94, 154,611.05 and 66,713.90 is: 92,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,044.94 : 154,611.05 = 66,713.90 : x
  2. Step 2: Convert to fraction form
    112,044.94/154,611.05 = 66,713.90/x
  3. Step 3: Cross multiply
    112,044.94x = 154,611.05 × 66,713.90
  4. Step 4: Simplify right side
    112,044.94x = 10,314,705,021.97
  5. Step 5: Solve for x
    x = 10,314,705,021.97/112,044.94
  6. Step 6: Final answer
    x = 92,058.64

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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.