Home / 124,739.10-187,226.10-65,617.20

Finding the Fourth Proportional to 124,739.10, 187,226.10 and 65,617.20

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Solution

The fourth proportional to 124,739.10, 187,226.10 and 65,617.20 is: 98,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,739.10 : 187,226.10 = 65,617.20 : x
  2. Step 2: Convert to fraction form
    124,739.10/187,226.10 = 65,617.20/x
  3. Step 3: Cross multiply
    124,739.10x = 187,226.10 × 65,617.20
  4. Step 4: Simplify right side
    124,739.10x = 12,285,252,448.92
  5. Step 5: Solve for x
    x = 12,285,252,448.92/124,739.10
  6. Step 6: Final answer
    x = 98,487.58

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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.