Home / 85,000.32-117,304.38-49,183.38

Finding the Fourth Proportional to 85,000.32, 117,304.38 and 49,183.38

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Solution

The fourth proportional to 85,000.32, 117,304.38 and 49,183.38 is: 67,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,000.32 : 117,304.38 = 49,183.38 : x
  2. Step 2: Convert to fraction form
    85,000.32/117,304.38 = 49,183.38/x
  3. Step 3: Cross multiply
    85,000.32x = 117,304.38 × 49,183.38
  4. Step 4: Simplify right side
    85,000.32x = 5,769,425,897.20
  5. Step 5: Solve for x
    x = 5,769,425,897.20/85,000.32
  6. Step 6: Final answer
    x = 67,875.34

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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.