Home / 78,055.04-117,093.96-25,451.60

Finding the Fourth Proportional to 78,055.04, 117,093.96 and 25,451.60

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Solution

The fourth proportional to 78,055.04, 117,093.96 and 25,451.60 is: 38,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,055.04 : 117,093.96 = 25,451.60 : x
  2. Step 2: Convert to fraction form
    78,055.04/117,093.96 = 25,451.60/x
  3. Step 3: Cross multiply
    78,055.04x = 117,093.96 × 25,451.60
  4. Step 4: Simplify right side
    78,055.04x = 2,980,228,632.34
  5. Step 5: Solve for x
    x = 2,980,228,632.34/78,055.04
  6. Step 6: Final answer
    x = 38,181.12

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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.