Home / 99,544.20-137,368.62-57,099.93

Finding the Fourth Proportional to 99,544.20, 137,368.62 and 57,099.93

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Solution

The fourth proportional to 99,544.20, 137,368.62 and 57,099.93 is: 78,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,544.20 : 137,368.62 = 57,099.93 : x
  2. Step 2: Convert to fraction form
    99,544.20/137,368.62 = 57,099.93/x
  3. Step 3: Cross multiply
    99,544.20x = 137,368.62 × 57,099.93
  4. Step 4: Simplify right side
    99,544.20x = 7,843,738,586.20
  5. Step 5: Solve for x
    x = 7,843,738,586.20/99,544.20
  6. Step 6: Final answer
    x = 78,796.54

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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.