Home / 75,144.11-112,693.28-25,213.28

Finding the Fourth Proportional to 75,144.11, 112,693.28 and 25,213.28

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Solution

The fourth proportional to 75,144.11, 112,693.28 and 25,213.28 is: 37,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.11 : 112,693.28 = 25,213.28 : x
  2. Step 2: Convert to fraction form
    75,144.11/112,693.28 = 25,213.28/x
  3. Step 3: Cross multiply
    75,144.11x = 112,693.28 × 25,213.28
  4. Step 4: Simplify right side
    75,144.11x = 2,841,366,533.23
  5. Step 5: Solve for x
    x = 2,841,366,533.23/75,144.11
  6. Step 6: Final answer
    x = 37,812.23

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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.