Home / 78,225.52-117,329.94-22,064.12

Finding the Fourth Proportional to 78,225.52, 117,329.94 and 22,064.12

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Solution

The fourth proportional to 78,225.52, 117,329.94 and 22,064.12 is: 33,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,225.52 : 117,329.94 = 22,064.12 : x
  2. Step 2: Convert to fraction form
    78,225.52/117,329.94 = 22,064.12/x
  3. Step 3: Cross multiply
    78,225.52x = 117,329.94 × 22,064.12
  4. Step 4: Simplify right side
    78,225.52x = 2,588,781,875.75
  5. Step 5: Solve for x
    x = 2,588,781,875.75/78,225.52
  6. Step 6: Final answer
    x = 33,093.83

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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.