Home / 114,980.28-172,480.02-31,874.52

Finding the Fourth Proportional to 114,980.28, 172,480.02 and 31,874.52

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Solution

The fourth proportional to 114,980.28, 172,480.02 and 31,874.52 is: 47,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,980.28 : 172,480.02 = 31,874.52 : x
  2. Step 2: Convert to fraction form
    114,980.28/172,480.02 = 31,874.52/x
  3. Step 3: Cross multiply
    114,980.28x = 172,480.02 × 31,874.52
  4. Step 4: Simplify right side
    114,980.28x = 5,497,717,847.09
  5. Step 5: Solve for x
    x = 5,497,717,847.09/114,980.28
  6. Step 6: Final answer
    x = 47,814.44

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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.