Home / 78,329.48-117,495.18-22,926.60

Finding the Fourth Proportional to 78,329.48, 117,495.18 and 22,926.60

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Solution

The fourth proportional to 78,329.48, 117,495.18 and 22,926.60 is: 34,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,329.48 : 117,495.18 = 22,926.60 : x
  2. Step 2: Convert to fraction form
    78,329.48/117,495.18 = 22,926.60/x
  3. Step 3: Cross multiply
    78,329.48x = 117,495.18 × 22,926.60
  4. Step 4: Simplify right side
    78,329.48x = 2,693,764,993.79
  5. Step 5: Solve for x
    x = 2,693,764,993.79/78,329.48
  6. Step 6: Final answer
    x = 34,390.18

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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.