Home / 77,984.40-116,904.78-25,366.80

Finding the Fourth Proportional to 77,984.40, 116,904.78 and 25,366.80

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Solution

The fourth proportional to 77,984.40, 116,904.78 and 25,366.80 is: 38,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,984.40 : 116,904.78 = 25,366.80 : x
  2. Step 2: Convert to fraction form
    77,984.40/116,904.78 = 25,366.80/x
  3. Step 3: Cross multiply
    77,984.40x = 116,904.78 × 25,366.80
  4. Step 4: Simplify right side
    77,984.40x = 2,965,500,173.30
  5. Step 5: Solve for x
    x = 2,965,500,173.30/77,984.40
  6. Step 6: Final answer
    x = 38,026.84

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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.