Home / 124,250.15-171,467.16-67,661.48

Finding the Fourth Proportional to 124,250.15, 171,467.16 and 67,661.48

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Solution

The fourth proportional to 124,250.15, 171,467.16 and 67,661.48 is: 93,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,250.15 : 171,467.16 = 67,661.48 : x
  2. Step 2: Convert to fraction form
    124,250.15/171,467.16 = 67,661.48/x
  3. Step 3: Cross multiply
    124,250.15x = 171,467.16 × 67,661.48
  4. Step 4: Simplify right side
    124,250.15x = 11,601,721,817.00
  5. Step 5: Solve for x
    x = 11,601,721,817.00/124,250.15
  6. Step 6: Final answer
    x = 93,373.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.