Home / 75,664.18-113,504.51-28,302

Finding the Fourth Proportional to 75,664.18, 113,504.51 and 28,302

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Solution

The fourth proportional to 75,664.18, 113,504.51 and 28,302 is: 42,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,664.18 : 113,504.51 = 28,302 : x
  2. Step 2: Convert to fraction form
    75,664.18/113,504.51 = 28,302/x
  3. Step 3: Cross multiply
    75,664.18x = 113,504.51 × 28,302
  4. Step 4: Simplify right side
    75,664.18x = 3,212,404,642.02
  5. Step 5: Solve for x
    x = 3,212,404,642.02/75,664.18
  6. Step 6: Final answer
    x = 42,456.08

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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.