Home / 78,851.44-108,854.04-50,199.58

Finding the Fourth Proportional to 78,851.44, 108,854.04 and 50,199.58

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Solution

The fourth proportional to 78,851.44, 108,854.04 and 50,199.58 is: 69,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,851.44 : 108,854.04 = 50,199.58 : x
  2. Step 2: Convert to fraction form
    78,851.44/108,854.04 = 50,199.58/x
  3. Step 3: Cross multiply
    78,851.44x = 108,854.04 × 50,199.58
  4. Step 4: Simplify right side
    78,851.44x = 5,464,427,089.30
  5. Step 5: Solve for x
    x = 5,464,427,089.30/78,851.44
  6. Step 6: Final answer
    x = 69,300.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.