Home / 92,186.45-127,229.43-51,908.06

Finding the Fourth Proportional to 92,186.45, 127,229.43 and 51,908.06

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Solution

The fourth proportional to 92,186.45, 127,229.43 and 51,908.06 is: 71,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,186.45 : 127,229.43 = 51,908.06 : x
  2. Step 2: Convert to fraction form
    92,186.45/127,229.43 = 51,908.06/x
  3. Step 3: Cross multiply
    92,186.45x = 127,229.43 × 51,908.06
  4. Step 4: Simplify right side
    92,186.45x = 6,604,232,886.21
  5. Step 5: Solve for x
    x = 6,604,232,886.21/92,186.45
  6. Step 6: Final answer
    x = 71,639.95

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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.