Home / 85,072.18-127,467.85-49,433.46

Finding the Fourth Proportional to 85,072.18, 127,467.85 and 49,433.46

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Solution

The fourth proportional to 85,072.18, 127,467.85 and 49,433.46 is: 74,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.18 : 127,467.85 = 49,433.46 : x
  2. Step 2: Convert to fraction form
    85,072.18/127,467.85 = 49,433.46/x
  3. Step 3: Cross multiply
    85,072.18x = 127,467.85 × 49,433.46
  4. Step 4: Simplify right side
    85,072.18x = 6,301,176,226.92
  5. Step 5: Solve for x
    x = 6,301,176,226.92/85,072.18
  6. Step 6: Final answer
    x = 74,068.59

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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.