Home / 77,728.40-116,592.60-25,175.60

Finding the Fourth Proportional to 77,728.40, 116,592.60 and 25,175.60

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Solution

The fourth proportional to 77,728.40, 116,592.60 and 25,175.60 is: 37,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,728.40 : 116,592.60 = 25,175.60 : x
  2. Step 2: Convert to fraction form
    77,728.40/116,592.60 = 25,175.60/x
  3. Step 3: Cross multiply
    77,728.40x = 116,592.60 × 25,175.60
  4. Step 4: Simplify right side
    77,728.40x = 2,935,288,660.56
  5. Step 5: Solve for x
    x = 2,935,288,660.56/77,728.40
  6. Step 6: Final answer
    x = 37,763.40

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1.5x scale

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.