Home / 92,927.88-128,236.36-52,640.84

Finding the Fourth Proportional to 92,927.88, 128,236.36 and 52,640.84

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Solution

The fourth proportional to 92,927.88, 128,236.36 and 52,640.84 is: 72,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.88 : 128,236.36 = 52,640.84 : x
  2. Step 2: Convert to fraction form
    92,927.88/128,236.36 = 52,640.84/x
  3. Step 3: Cross multiply
    92,927.88x = 128,236.36 × 52,640.84
  4. Step 4: Simplify right side
    92,927.88x = 6,750,469,708.94
  5. Step 5: Solve for x
    x = 6,750,469,708.94/92,927.88
  6. Step 6: Final answer
    x = 72,642.03

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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.