Home / 96,911.92-145,368.13-30,357.87

Finding the Fourth Proportional to 96,911.92, 145,368.13 and 30,357.87

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Solution

The fourth proportional to 96,911.92, 145,368.13 and 30,357.87 is: 45,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,911.92 : 145,368.13 = 30,357.87 : x
  2. Step 2: Convert to fraction form
    96,911.92/145,368.13 = 30,357.87/x
  3. Step 3: Cross multiply
    96,911.92x = 145,368.13 × 30,357.87
  4. Step 4: Simplify right side
    96,911.92x = 4,413,066,792.68
  5. Step 5: Solve for x
    x = 4,413,066,792.68/96,911.92
  6. Step 6: Final answer
    x = 45,536.88

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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.