Home / 78,208.40-117,294.48-46,627.34

Finding the Fourth Proportional to 78,208.40, 117,294.48 and 46,627.34

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Solution

The fourth proportional to 78,208.40, 117,294.48 and 46,627.34 is: 69,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,208.40 : 117,294.48 = 46,627.34 : x
  2. Step 2: Convert to fraction form
    78,208.40/117,294.48 = 46,627.34/x
  3. Step 3: Cross multiply
    78,208.40x = 117,294.48 × 46,627.34
  4. Step 4: Simplify right side
    78,208.40x = 5,469,129,599.08
  5. Step 5: Solve for x
    x = 5,469,129,599.08/78,208.40
  6. Step 6: Final answer
    x = 69,930.21

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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.