Home / 75,243.94-112,875.32-27,851.04

Finding the Fourth Proportional to 75,243.94, 112,875.32 and 27,851.04

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Solution

The fourth proportional to 75,243.94, 112,875.32 and 27,851.04 is: 41,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,243.94 : 112,875.32 = 27,851.04 : x
  2. Step 2: Convert to fraction form
    75,243.94/112,875.32 = 27,851.04/x
  3. Step 3: Cross multiply
    75,243.94x = 112,875.32 × 27,851.04
  4. Step 4: Simplify right side
    75,243.94x = 3,143,695,121.96
  5. Step 5: Solve for x
    x = 3,143,695,121.96/75,243.94
  6. Step 6: Final answer
    x = 41,780.05

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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.