Home / 99,083.28-148,537.44-75,813.60

Finding the Fourth Proportional to 99,083.28, 148,537.44 and 75,813.60

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Solution

The fourth proportional to 99,083.28, 148,537.44 and 75,813.60 is: 113,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,083.28 : 148,537.44 = 75,813.60 : x
  2. Step 2: Convert to fraction form
    99,083.28/148,537.44 = 75,813.60/x
  3. Step 3: Cross multiply
    99,083.28x = 148,537.44 × 75,813.60
  4. Step 4: Simplify right side
    99,083.28x = 11,261,158,061.18
  5. Step 5: Solve for x
    x = 11,261,158,061.18/99,083.28
  6. Step 6: Final answer
    x = 113,653.46

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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.