Home / 98,910.54-136,472.85-58,617.36

Finding the Fourth Proportional to 98,910.54, 136,472.85 and 58,617.36

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Solution

The fourth proportional to 98,910.54, 136,472.85 and 58,617.36 is: 80,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,910.54 : 136,472.85 = 58,617.36 : x
  2. Step 2: Convert to fraction form
    98,910.54/136,472.85 = 58,617.36/x
  3. Step 3: Cross multiply
    98,910.54x = 136,472.85 × 58,617.36
  4. Step 4: Simplify right side
    98,910.54x = 7,999,678,178.68
  5. Step 5: Solve for x
    x = 7,999,678,178.68/98,910.54
  6. Step 6: Final answer
    x = 80,877.91

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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.