Home / 92,901.21-128,204.34-50,459.76

Finding the Fourth Proportional to 92,901.21, 128,204.34 and 50,459.76

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Solution

The fourth proportional to 92,901.21, 128,204.34 and 50,459.76 is: 69,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,901.21 : 128,204.34 = 50,459.76 : x
  2. Step 2: Convert to fraction form
    92,901.21/128,204.34 = 50,459.76/x
  3. Step 3: Cross multiply
    92,901.21x = 128,204.34 × 50,459.76
  4. Step 4: Simplify right side
    92,901.21x = 6,469,160,227.36
  5. Step 5: Solve for x
    x = 6,469,160,227.36/92,901.21
  6. Step 6: Final answer
    x = 69,634.83

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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.