Home / 74,092.32-102,256.56-55,196.64

Finding the Fourth Proportional to 74,092.32, 102,256.56 and 55,196.64

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Solution

The fourth proportional to 74,092.32, 102,256.56 and 55,196.64 is: 76,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,092.32 : 102,256.56 = 55,196.64 : x
  2. Step 2: Convert to fraction form
    74,092.32/102,256.56 = 55,196.64/x
  3. Step 3: Cross multiply
    74,092.32x = 102,256.56 × 55,196.64
  4. Step 4: Simplify right side
    74,092.32x = 5,644,218,529.96
  5. Step 5: Solve for x
    x = 5,644,218,529.96/74,092.32
  6. Step 6: Final answer
    x = 76,178.19

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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.