Home / 78,187.70-117,274.04-22,026.94

Finding the Fourth Proportional to 78,187.70, 117,274.04 and 22,026.94

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Solution

The fourth proportional to 78,187.70, 117,274.04 and 22,026.94 is: 33,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,187.70 : 117,274.04 = 22,026.94 : x
  2. Step 2: Convert to fraction form
    78,187.70/117,274.04 = 22,026.94/x
  3. Step 3: Cross multiply
    78,187.70x = 117,274.04 × 22,026.94
  4. Step 4: Simplify right side
    78,187.70x = 2,583,188,242.64
  5. Step 5: Solve for x
    x = 2,583,188,242.64/78,187.70
  6. Step 6: Final answer
    x = 33,038.29

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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.