Home / 73,731.21-110,590.67-38,154.20

Finding the Fourth Proportional to 73,731.21, 110,590.67 and 38,154.20

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Solution

The fourth proportional to 73,731.21, 110,590.67 and 38,154.20 is: 57,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,731.21 : 110,590.67 = 38,154.20 : x
  2. Step 2: Convert to fraction form
    73,731.21/110,590.67 = 38,154.20/x
  3. Step 3: Cross multiply
    73,731.21x = 110,590.67 × 38,154.20
  4. Step 4: Simplify right side
    73,731.21x = 4,219,497,797.59
  5. Step 5: Solve for x
    x = 4,219,497,797.59/73,731.21
  6. Step 6: Final answer
    x = 57,228.11

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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.