Home / 124,777.37-187,239.77-65,617.61

Finding the Fourth Proportional to 124,777.37, 187,239.77 and 65,617.61

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Solution

The fourth proportional to 124,777.37, 187,239.77 and 65,617.61 is: 98,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777.37 : 187,239.77 = 65,617.61 : x
  2. Step 2: Convert to fraction form
    124,777.37/187,239.77 = 65,617.61/x
  3. Step 3: Cross multiply
    124,777.37x = 187,239.77 × 65,617.61
  4. Step 4: Simplify right side
    124,777.37x = 12,286,224,940.06
  5. Step 5: Solve for x
    x = 12,286,224,940.06/124,777.37
  6. Step 6: Final answer
    x = 98,465.17

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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.