Home / 96,666.84-145,013.76-30,111.84

Finding the Fourth Proportional to 96,666.84, 145,013.76 and 30,111.84

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Solution

The fourth proportional to 96,666.84, 145,013.76 and 30,111.84 is: 45,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,666.84 : 145,013.76 = 30,111.84 : x
  2. Step 2: Convert to fraction form
    96,666.84/145,013.76 = 30,111.84/x
  3. Step 3: Cross multiply
    96,666.84x = 145,013.76 × 30,111.84
  4. Step 4: Simplify right side
    96,666.84x = 4,366,631,138.92
  5. Step 5: Solve for x
    x = 4,366,631,138.92/96,666.84
  6. Step 6: Final answer
    x = 45,171.97

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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.