Home / 78,844.41-118,202.76-53,821.44

Finding the Fourth Proportional to 78,844.41, 118,202.76 and 53,821.44

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Solution

The fourth proportional to 78,844.41, 118,202.76 and 53,821.44 is: 80,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,844.41 : 118,202.76 = 53,821.44 : x
  2. Step 2: Convert to fraction form
    78,844.41/118,202.76 = 53,821.44/x
  3. Step 3: Cross multiply
    78,844.41x = 118,202.76 × 53,821.44
  4. Step 4: Simplify right side
    78,844.41x = 6,361,842,755.17
  5. Step 5: Solve for x
    x = 6,361,842,755.17/78,844.41
  6. Step 6: Final answer
    x = 80,688.57

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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.