Home / 85,088.72-127,676.13-35,204.61

Finding the Fourth Proportional to 85,088.72, 127,676.13 and 35,204.61

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Solution

The fourth proportional to 85,088.72, 127,676.13 and 35,204.61 is: 52,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,088.72 : 127,676.13 = 35,204.61 : x
  2. Step 2: Convert to fraction form
    85,088.72/127,676.13 = 35,204.61/x
  3. Step 3: Cross multiply
    85,088.72x = 127,676.13 × 35,204.61
  4. Step 4: Simplify right side
    85,088.72x = 4,494,788,362.96
  5. Step 5: Solve for x
    x = 4,494,788,362.96/85,088.72
  6. Step 6: Final answer
    x = 52,824.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.