Home / 275,551.24-413,272.02-75,820

Finding the Fourth Proportional to 275,551.24, 413,272.02 and 75,820

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Solution

The fourth proportional to 275,551.24, 413,272.02 and 75,820 is: 113,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,551.24 : 413,272.02 = 75,820 : x
  2. Step 2: Convert to fraction form
    275,551.24/413,272.02 = 75,820/x
  3. Step 3: Cross multiply
    275,551.24x = 413,272.02 × 75,820
  4. Step 4: Simplify right side
    275,551.24x = 31,334,284,556.40
  5. Step 5: Solve for x
    x = 31,334,284,556.40/275,551.24
  6. Step 6: Final answer
    x = 113,714.91

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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.