Home / 74,796.04-112,161.21-28,016.11

Finding the Fourth Proportional to 74,796.04, 112,161.21 and 28,016.11

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Solution

The fourth proportional to 74,796.04, 112,161.21 and 28,016.11 is: 42,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,796.04 : 112,161.21 = 28,016.11 : x
  2. Step 2: Convert to fraction form
    74,796.04/112,161.21 = 28,016.11/x
  3. Step 3: Cross multiply
    74,796.04x = 112,161.21 × 28,016.11
  4. Step 4: Simplify right side
    74,796.04x = 3,142,320,832.23
  5. Step 5: Solve for x
    x = 3,142,320,832.23/74,796.04
  6. Step 6: Final answer
    x = 42,011.86

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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.