Home / 104,432.26-144,112.66-56,684.60

Finding the Fourth Proportional to 104,432.26, 144,112.66 and 56,684.60

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Solution

The fourth proportional to 104,432.26, 144,112.66 and 56,684.60 is: 78,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,432.26 : 144,112.66 = 56,684.60 : x
  2. Step 2: Convert to fraction form
    104,432.26/144,112.66 = 56,684.60/x
  3. Step 3: Cross multiply
    104,432.26x = 144,112.66 × 56,684.60
  4. Step 4: Simplify right side
    104,432.26x = 8,168,968,487.04
  5. Step 5: Solve for x
    x = 8,168,968,487.04/104,432.26
  6. Step 6: Final answer
    x = 78,222.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.