Home / 78,346.77-117,534.73-25,793.16

Finding the Fourth Proportional to 78,346.77, 117,534.73 and 25,793.16

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Solution

The fourth proportional to 78,346.77, 117,534.73 and 25,793.16 is: 38,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,346.77 : 117,534.73 = 25,793.16 : x
  2. Step 2: Convert to fraction form
    78,346.77/117,534.73 = 25,793.16/x
  3. Step 3: Cross multiply
    78,346.77x = 117,534.73 × 25,793.16
  4. Step 4: Simplify right side
    78,346.77x = 3,031,592,096.45
  5. Step 5: Solve for x
    x = 3,031,592,096.45/78,346.77
  6. Step 6: Final answer
    x = 38,694.54

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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.