Home / 96,936.29-145,404.22-30,381.49

Finding the Fourth Proportional to 96,936.29, 145,404.22 and 30,381.49

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Solution

The fourth proportional to 96,936.29, 145,404.22 and 30,381.49 is: 45,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,936.29 : 145,404.22 = 30,381.49 : x
  2. Step 2: Convert to fraction form
    96,936.29/145,404.22 = 30,381.49/x
  3. Step 3: Cross multiply
    96,936.29x = 145,404.22 × 30,381.49
  4. Step 4: Simplify right side
    96,936.29x = 4,417,596,703.98
  5. Step 5: Solve for x
    x = 4,417,596,703.98/96,936.29
  6. Step 6: Final answer
    x = 45,572.17

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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.