Home / 109,851.24-164,776.80-39,714.15

Finding the Fourth Proportional to 109,851.24, 164,776.80 and 39,714.15

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Solution

The fourth proportional to 109,851.24, 164,776.80 and 39,714.15 is: 59,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,851.24 : 164,776.80 = 39,714.15 : x
  2. Step 2: Convert to fraction form
    109,851.24/164,776.80 = 39,714.15/x
  3. Step 3: Cross multiply
    109,851.24x = 164,776.80 × 39,714.15
  4. Step 4: Simplify right side
    109,851.24x = 6,543,970,551.72
  5. Step 5: Solve for x
    x = 6,543,970,551.72/109,851.24
  6. Step 6: Final answer
    x = 59,571.20

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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.