Home / 104,990.56-157,485.20-38,435.32

Finding the Fourth Proportional to 104,990.56, 157,485.20 and 38,435.32

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Solution

The fourth proportional to 104,990.56, 157,485.20 and 38,435.32 is: 57,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,990.56 : 157,485.20 = 38,435.32 : x
  2. Step 2: Convert to fraction form
    104,990.56/157,485.20 = 38,435.32/x
  3. Step 3: Cross multiply
    104,990.56x = 157,485.20 × 38,435.32
  4. Step 4: Simplify right side
    104,990.56x = 6,052,994,057.26
  5. Step 5: Solve for x
    x = 6,052,994,057.26/104,990.56
  6. Step 6: Final answer
    x = 57,652.75

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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.