Home / 73,819.64-101,871.42-40,286.36

Finding the Fourth Proportional to 73,819.64, 101,871.42 and 40,286.36

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Solution

The fourth proportional to 73,819.64, 101,871.42 and 40,286.36 is: 55,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,819.64 : 101,871.42 = 40,286.36 : x
  2. Step 2: Convert to fraction form
    73,819.64/101,871.42 = 40,286.36/x
  3. Step 3: Cross multiply
    73,819.64x = 101,871.42 × 40,286.36
  4. Step 4: Simplify right side
    73,819.64x = 4,104,028,699.83
  5. Step 5: Solve for x
    x = 4,104,028,699.83/73,819.64
  6. Step 6: Final answer
    x = 55,595.35

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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.