Home / 48,268.80-72,338.40-34,401.60

Finding the Fourth Proportional to 48,268.80, 72,338.40 and 34,401.60

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Solution

The fourth proportional to 48,268.80, 72,338.40 and 34,401.60 is: 51,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.80 : 72,338.40 = 34,401.60 : x
  2. Step 2: Convert to fraction form
    48,268.80/72,338.40 = 34,401.60/x
  3. Step 3: Cross multiply
    48,268.80x = 72,338.40 × 34,401.60
  4. Step 4: Simplify right side
    48,268.80x = 2,488,556,701.44
  5. Step 5: Solve for x
    x = 2,488,556,701.44/48,268.80
  6. Step 6: Final answer
    x = 51,556.22

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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.