Home / 78,914.39-118,379.48-22,755.87

Finding the Fourth Proportional to 78,914.39, 118,379.48 and 22,755.87

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Solution

The fourth proportional to 78,914.39, 118,379.48 and 22,755.87 is: 34,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,914.39 : 118,379.48 = 22,755.87 : x
  2. Step 2: Convert to fraction form
    78,914.39/118,379.48 = 22,755.87/x
  3. Step 3: Cross multiply
    78,914.39x = 118,379.48 × 22,755.87
  4. Step 4: Simplify right side
    78,914.39x = 2,693,827,943.77
  5. Step 5: Solve for x
    x = 2,693,827,943.77/78,914.39
  6. Step 6: Final answer
    x = 34,136.08

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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.