Home / 75,342.53-113,068.40-27,964.36

Finding the Fourth Proportional to 75,342.53, 113,068.40 and 27,964.36

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Solution

The fourth proportional to 75,342.53, 113,068.40 and 27,964.36 is: 41,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,342.53 : 113,068.40 = 27,964.36 : x
  2. Step 2: Convert to fraction form
    75,342.53/113,068.40 = 27,964.36/x
  3. Step 3: Cross multiply
    75,342.53x = 113,068.40 × 27,964.36
  4. Step 4: Simplify right side
    75,342.53x = 3,161,885,442.22
  5. Step 5: Solve for x
    x = 3,161,885,442.22/75,342.53
  6. Step 6: Final answer
    x = 41,966.81

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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.