Home / 92,209.97-127,236.21-51,915.71

Finding the Fourth Proportional to 92,209.97, 127,236.21 and 51,915.71

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Solution

The fourth proportional to 92,209.97, 127,236.21 and 51,915.71 is: 71,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,209.97 : 127,236.21 = 51,915.71 : x
  2. Step 2: Convert to fraction form
    92,209.97/127,236.21 = 51,915.71/x
  3. Step 3: Cross multiply
    92,209.97x = 127,236.21 × 51,915.71
  4. Step 4: Simplify right side
    92,209.97x = 6,605,558,179.86
  5. Step 5: Solve for x
    x = 6,605,558,179.86/92,209.97
  6. Step 6: Final answer
    x = 71,636.05

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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.