Home / 74,331.64-102,581.80-42,067.92

Finding the Fourth Proportional to 74,331.64, 102,581.80 and 42,067.92

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Solution

The fourth proportional to 74,331.64, 102,581.80 and 42,067.92 is: 58,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.64 : 102,581.80 = 42,067.92 : x
  2. Step 2: Convert to fraction form
    74,331.64/102,581.80 = 42,067.92/x
  3. Step 3: Cross multiply
    74,331.64x = 102,581.80 × 42,067.92
  4. Step 4: Simplify right side
    74,331.64x = 4,315,403,235.37
  5. Step 5: Solve for x
    x = 4,315,403,235.37/74,331.64
  6. Step 6: Final answer
    x = 58,056.07

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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.