Home / 75,418.18-113,141.86-28,667.41

Finding the Fourth Proportional to 75,418.18, 113,141.86 and 28,667.41

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Solution

The fourth proportional to 75,418.18, 113,141.86 and 28,667.41 is: 43,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.18 : 113,141.86 = 28,667.41 : x
  2. Step 2: Convert to fraction form
    75,418.18/113,141.86 = 28,667.41/x
  3. Step 3: Cross multiply
    75,418.18x = 113,141.86 × 28,667.41
  4. Step 4: Simplify right side
    75,418.18x = 3,243,484,088.78
  5. Step 5: Solve for x
    x = 3,243,484,088.78/75,418.18
  6. Step 6: Final answer
    x = 43,006.66

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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.