Home / 78,794.20-118,277.70-49,245.40

Finding the Fourth Proportional to 78,794.20, 118,277.70 and 49,245.40

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Solution

The fourth proportional to 78,794.20, 118,277.70 and 49,245.40 is: 73,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,794.20 : 118,277.70 = 49,245.40 : x
  2. Step 2: Convert to fraction form
    78,794.20/118,277.70 = 49,245.40/x
  3. Step 3: Cross multiply
    78,794.20x = 118,277.70 × 49,245.40
  4. Step 4: Simplify right side
    78,794.20x = 5,824,632,647.58
  5. Step 5: Solve for x
    x = 5,824,632,647.58/78,794.20
  6. Step 6: Final answer
    x = 73,922.10

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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.