Home / 74,211.32-102,383.24-54,876.62

Finding the Fourth Proportional to 74,211.32, 102,383.24 and 54,876.62

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Solution

The fourth proportional to 74,211.32, 102,383.24 and 54,876.62 is: 75,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,211.32 : 102,383.24 = 54,876.62 : x
  2. Step 2: Convert to fraction form
    74,211.32/102,383.24 = 54,876.62/x
  3. Step 3: Cross multiply
    74,211.32x = 102,383.24 × 54,876.62
  4. Step 4: Simplify right side
    74,211.32x = 5,618,445,369.55
  5. Step 5: Solve for x
    x = 5,618,445,369.55/74,211.32
  6. Step 6: Final answer
    x = 75,708.74

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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.