Home / 96,911.89-145,308.30-37,678.51

Finding the Fourth Proportional to 96,911.89, 145,308.30 and 37,678.51

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Solution

The fourth proportional to 96,911.89, 145,308.30 and 37,678.51 is: 56,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,911.89 : 145,308.30 = 37,678.51 : x
  2. Step 2: Convert to fraction form
    96,911.89/145,308.30 = 37,678.51/x
  3. Step 3: Cross multiply
    96,911.89x = 145,308.30 × 37,678.51
  4. Step 4: Simplify right side
    96,911.89x = 5,475,000,274.97
  5. Step 5: Solve for x
    x = 5,475,000,274.97/96,911.89
  6. Step 6: Final answer
    x = 56,494.62

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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.