Home / 124,905.24-172,373.37-68,316.60

Finding the Fourth Proportional to 124,905.24, 172,373.37 and 68,316.60

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Solution

The fourth proportional to 124,905.24, 172,373.37 and 68,316.60 is: 94,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,905.24 : 172,373.37 = 68,316.60 : x
  2. Step 2: Convert to fraction form
    124,905.24/172,373.37 = 68,316.60/x
  3. Step 3: Cross multiply
    124,905.24x = 172,373.37 × 68,316.60
  4. Step 4: Simplify right side
    124,905.24x = 11,775,962,568.94
  5. Step 5: Solve for x
    x = 11,775,962,568.94/124,905.24
  6. Step 6: Final answer
    x = 94,279.17

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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.