Home / 96,390.28-133,013.37-53,940.61

Finding the Fourth Proportional to 96,390.28, 133,013.37 and 53,940.61

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Solution

The fourth proportional to 96,390.28, 133,013.37 and 53,940.61 is: 74,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,390.28 : 133,013.37 = 53,940.61 : x
  2. Step 2: Convert to fraction form
    96,390.28/133,013.37 = 53,940.61/x
  3. Step 3: Cross multiply
    96,390.28x = 133,013.37 × 53,940.61
  4. Step 4: Simplify right side
    96,390.28x = 7,174,822,315.96
  5. Step 5: Solve for x
    x = 7,174,822,315.96/96,390.28
  6. Step 6: Final answer
    x = 74,435.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.