Home / 78,677.32-118,033.26-23,269

Finding the Fourth Proportional to 78,677.32, 118,033.26 and 23,269

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Solution

The fourth proportional to 78,677.32, 118,033.26 and 23,269 is: 34,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,677.32 : 118,033.26 = 23,269 : x
  2. Step 2: Convert to fraction form
    78,677.32/118,033.26 = 23,269/x
  3. Step 3: Cross multiply
    78,677.32x = 118,033.26 × 23,269
  4. Step 4: Simplify right side
    78,677.32x = 2,746,515,926.94
  5. Step 5: Solve for x
    x = 2,746,515,926.94/78,677.32
  6. Step 6: Final answer
    x = 34,908.61

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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.