Home / 104,989.06-157,549.20-42,659.56

Finding the Fourth Proportional to 104,989.06, 157,549.20 and 42,659.56

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Solution

The fourth proportional to 104,989.06, 157,549.20 and 42,659.56 is: 64,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,989.06 : 157,549.20 = 42,659.56 : x
  2. Step 2: Convert to fraction form
    104,989.06/157,549.20 = 42,659.56/x
  3. Step 3: Cross multiply
    104,989.06x = 157,549.20 × 42,659.56
  4. Step 4: Simplify right side
    104,989.06x = 6,720,979,550.35
  5. Step 5: Solve for x
    x = 6,720,979,550.35/104,989.06
  6. Step 6: Final answer
    x = 64,016.00

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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.