Home / 96,923.79-145,385.64-30,369.15

Finding the Fourth Proportional to 96,923.79, 145,385.64 and 30,369.15

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Solution

The fourth proportional to 96,923.79, 145,385.64 and 30,369.15 is: 45,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,923.79 : 145,385.64 = 30,369.15 : x
  2. Step 2: Convert to fraction form
    96,923.79/145,385.64 = 30,369.15/x
  3. Step 3: Cross multiply
    96,923.79x = 145,385.64 × 30,369.15
  4. Step 4: Simplify right side
    96,923.79x = 4,415,238,309.01
  5. Step 5: Solve for x
    x = 4,415,238,309.01/96,923.79
  6. Step 6: Final answer
    x = 45,553.71

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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.