Home / 78,793.20-118,276.20-49,244.40

Finding the Fourth Proportional to 78,793.20, 118,276.20 and 49,244.40

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Solution

The fourth proportional to 78,793.20, 118,276.20 and 49,244.40 is: 73,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,793.20 : 118,276.20 = 49,244.40 : x
  2. Step 2: Convert to fraction form
    78,793.20/118,276.20 = 49,244.40/x
  3. Step 3: Cross multiply
    78,793.20x = 118,276.20 × 49,244.40
  4. Step 4: Simplify right side
    78,793.20x = 5,824,440,503.28
  5. Step 5: Solve for x
    x = 5,824,440,503.28/78,793.20
  6. Step 6: Final answer
    x = 73,920.60

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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.