Home / 96,939.24-145,404.73-30,377.89

Finding the Fourth Proportional to 96,939.24, 145,404.73 and 30,377.89

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Solution

The fourth proportional to 96,939.24, 145,404.73 and 30,377.89 is: 45,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939.24 : 145,404.73 = 30,377.89 : x
  2. Step 2: Convert to fraction form
    96,939.24/145,404.73 = 30,377.89/x
  3. Step 3: Cross multiply
    96,939.24x = 145,404.73 × 30,377.89
  4. Step 4: Simplify right side
    96,939.24x = 4,417,088,893.42
  5. Step 5: Solve for x
    x = 4,417,088,893.42/96,939.24
  6. Step 6: Final answer
    x = 45,565.54

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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.