Home / 72,977.46-100,709.03-41,146.28

Finding the Fourth Proportional to 72,977.46, 100,709.03 and 41,146.28

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Solution

The fourth proportional to 72,977.46, 100,709.03 and 41,146.28 is: 56,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,977.46 : 100,709.03 = 41,146.28 : x
  2. Step 2: Convert to fraction form
    72,977.46/100,709.03 = 41,146.28/x
  3. Step 3: Cross multiply
    72,977.46x = 100,709.03 × 41,146.28
  4. Step 4: Simplify right side
    72,977.46x = 4,143,801,946.91
  5. Step 5: Solve for x
    x = 4,143,801,946.91/72,977.46
  6. Step 6: Final answer
    x = 56,781.94

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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.