Home / 103,003.76-154,468.92-46,796.78

Finding the Fourth Proportional to 103,003.76, 154,468.92 and 46,796.78

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Solution

The fourth proportional to 103,003.76, 154,468.92 and 46,796.78 is: 70,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,003.76 : 154,468.92 = 46,796.78 : x
  2. Step 2: Convert to fraction form
    103,003.76/154,468.92 = 46,796.78/x
  3. Step 3: Cross multiply
    103,003.76x = 154,468.92 × 46,796.78
  4. Step 4: Simplify right side
    103,003.76x = 7,228,648,066.08
  5. Step 5: Solve for x
    x = 7,228,648,066.08/103,003.76
  6. Step 6: Final answer
    x = 70,178.49

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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.