Home / 79,035.67-118,553.22-28,434.59

Finding the Fourth Proportional to 79,035.67, 118,553.22 and 28,434.59

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Solution

The fourth proportional to 79,035.67, 118,553.22 and 28,434.59 is: 42,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035.67 : 118,553.22 = 28,434.59 : x
  2. Step 2: Convert to fraction form
    79,035.67/118,553.22 = 28,434.59/x
  3. Step 3: Cross multiply
    79,035.67x = 118,553.22 × 28,434.59
  4. Step 4: Simplify right side
    79,035.67x = 3,371,011,722.26
  5. Step 5: Solve for x
    x = 3,371,011,722.26/79,035.67
  6. Step 6: Final answer
    x = 42,651.77

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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.