Home / 114,917.12-172,333.02-40,018.04

Finding the Fourth Proportional to 114,917.12, 172,333.02 and 40,018.04

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Solution

The fourth proportional to 114,917.12, 172,333.02 and 40,018.04 is: 60,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,917.12 : 172,333.02 = 40,018.04 : x
  2. Step 2: Convert to fraction form
    114,917.12/172,333.02 = 40,018.04/x
  3. Step 3: Cross multiply
    114,917.12x = 172,333.02 × 40,018.04
  4. Step 4: Simplify right side
    114,917.12x = 6,896,429,687.68
  5. Step 5: Solve for x
    x = 6,896,429,687.68/114,917.12
  6. Step 6: Final answer
    x = 60,012.20

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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.