Home / 78,797.48-118,194.06-26,207.96

Finding the Fourth Proportional to 78,797.48, 118,194.06 and 26,207.96

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Solution

The fourth proportional to 78,797.48, 118,194.06 and 26,207.96 is: 39,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,797.48 : 118,194.06 = 26,207.96 : x
  2. Step 2: Convert to fraction form
    78,797.48/118,194.06 = 26,207.96/x
  3. Step 3: Cross multiply
    78,797.48x = 118,194.06 × 26,207.96
  4. Step 4: Simplify right side
    78,797.48x = 3,097,625,196.72
  5. Step 5: Solve for x
    x = 3,097,625,196.72/78,797.48
  6. Step 6: Final answer
    x = 39,311.22

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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.