Home / 78,937.04-118,402.68-23,531.60

Finding the Fourth Proportional to 78,937.04, 118,402.68 and 23,531.60

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Solution

The fourth proportional to 78,937.04, 118,402.68 and 23,531.60 is: 35,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,937.04 : 118,402.68 = 23,531.60 : x
  2. Step 2: Convert to fraction form
    78,937.04/118,402.68 = 23,531.60/x
  3. Step 3: Cross multiply
    78,937.04x = 118,402.68 × 23,531.60
  4. Step 4: Simplify right side
    78,937.04x = 2,786,204,504.69
  5. Step 5: Solve for x
    x = 2,786,204,504.69/78,937.04
  6. Step 6: Final answer
    x = 35,296.54

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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.