Home / 75,171.21-112,767.21-25,265.58

Finding the Fourth Proportional to 75,171.21, 112,767.21 and 25,265.58

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Solution

The fourth proportional to 75,171.21, 112,767.21 and 25,265.58 is: 37,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.21 : 112,767.21 = 25,265.58 : x
  2. Step 2: Convert to fraction form
    75,171.21/112,767.21 = 25,265.58/x
  3. Step 3: Cross multiply
    75,171.21x = 112,767.21 × 25,265.58
  4. Step 4: Simplify right side
    75,171.21x = 2,849,128,965.63
  5. Step 5: Solve for x
    x = 2,849,128,965.63/75,171.21
  6. Step 6: Final answer
    x = 37,901.86

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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.