Home / 99,858.02-149,788.31-55,765.26

Finding the Fourth Proportional to 99,858.02, 149,788.31 and 55,765.26

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Solution

The fourth proportional to 99,858.02, 149,788.31 and 55,765.26 is: 83,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,858.02 : 149,788.31 = 55,765.26 : x
  2. Step 2: Convert to fraction form
    99,858.02/149,788.31 = 55,765.26/x
  3. Step 3: Cross multiply
    99,858.02x = 149,788.31 × 55,765.26
  4. Step 4: Simplify right side
    99,858.02x = 8,352,983,773.28
  5. Step 5: Solve for x
    x = 8,352,983,773.28/99,858.02
  6. Step 6: Final answer
    x = 83,648.61

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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.