Home / 118,410.08-177,610.24-65,786

Finding the Fourth Proportional to 118,410.08, 177,610.24 and 65,786

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Solution

The fourth proportional to 118,410.08, 177,610.24 and 65,786 is: 98,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,410.08 : 177,610.24 = 65,786 : x
  2. Step 2: Convert to fraction form
    118,410.08/177,610.24 = 65,786/x
  3. Step 3: Cross multiply
    118,410.08x = 177,610.24 × 65,786
  4. Step 4: Simplify right side
    118,410.08x = 11,684,267,248.64
  5. Step 5: Solve for x
    x = 11,684,267,248.64/118,410.08
  6. Step 6: Final answer
    x = 98,676.29

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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.