Home / 75,342.29-113,009.72-27,966.60

Finding the Fourth Proportional to 75,342.29, 113,009.72 and 27,966.60

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Solution

The fourth proportional to 75,342.29, 113,009.72 and 27,966.60 is: 41,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,342.29 : 113,009.72 = 27,966.60 : x
  2. Step 2: Convert to fraction form
    75,342.29/113,009.72 = 27,966.60/x
  3. Step 3: Cross multiply
    75,342.29x = 113,009.72 × 27,966.60
  4. Step 4: Simplify right side
    75,342.29x = 3,160,497,495.52
  5. Step 5: Solve for x
    x = 3,160,497,495.52/75,342.29
  6. Step 6: Final answer
    x = 41,948.52

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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.