Home / 52,544.40-78,816.60-49,693.20

Finding the Fourth Proportional to 52,544.40, 78,816.60 and 49,693.20

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Solution

The fourth proportional to 52,544.40, 78,816.60 and 49,693.20 is: 74,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,544.40 : 78,816.60 = 49,693.20 : x
  2. Step 2: Convert to fraction form
    52,544.40/78,816.60 = 49,693.20/x
  3. Step 3: Cross multiply
    52,544.40x = 78,816.60 × 49,693.20
  4. Step 4: Simplify right side
    52,544.40x = 3,916,649,067.12
  5. Step 5: Solve for x
    x = 3,916,649,067.12/52,544.40
  6. Step 6: Final answer
    x = 74,539.80

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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.