Home / 92,640.86-127,845-50,199.74

Finding the Fourth Proportional to 92,640.86, 127,845 and 50,199.74

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Solution

The fourth proportional to 92,640.86, 127,845 and 50,199.74 is: 69,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,640.86 : 127,845 = 50,199.74 : x
  2. Step 2: Convert to fraction form
    92,640.86/127,845 = 50,199.74/x
  3. Step 3: Cross multiply
    92,640.86x = 127,845 × 50,199.74
  4. Step 4: Simplify right side
    92,640.86x = 6,417,785,760.30
  5. Step 5: Solve for x
    x = 6,417,785,760.30/92,640.86
  6. Step 6: Final answer
    x = 69,275.97

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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.