Home / 98,763.91-136,293.17-53,440.89

Finding the Fourth Proportional to 98,763.91, 136,293.17 and 53,440.89

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Solution

The fourth proportional to 98,763.91, 136,293.17 and 53,440.89 is: 73,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,763.91 : 136,293.17 = 53,440.89 : x
  2. Step 2: Convert to fraction form
    98,763.91/136,293.17 = 53,440.89/x
  3. Step 3: Cross multiply
    98,763.91x = 136,293.17 × 53,440.89
  4. Step 4: Simplify right side
    98,763.91x = 7,283,628,305.72
  5. Step 5: Solve for x
    x = 7,283,628,305.72/98,763.91
  6. Step 6: Final answer
    x = 73,747.87

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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.