Home / 92,900.72-128,204.16-50,459.96

Finding the Fourth Proportional to 92,900.72, 128,204.16 and 50,459.96

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Solution

The fourth proportional to 92,900.72, 128,204.16 and 50,459.96 is: 69,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,900.72 : 128,204.16 = 50,459.96 : x
  2. Step 2: Convert to fraction form
    92,900.72/128,204.16 = 50,459.96/x
  3. Step 3: Cross multiply
    92,900.72x = 128,204.16 × 50,459.96
  4. Step 4: Simplify right side
    92,900.72x = 6,469,176,785.43
  5. Step 5: Solve for x
    x = 6,469,176,785.43/92,900.72
  6. Step 6: Final answer
    x = 69,635.38

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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.