Home / 124,840.37-172,507.93-88,968.11

Finding the Fourth Proportional to 124,840.37, 172,507.93 and 88,968.11

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Solution

The fourth proportional to 124,840.37, 172,507.93 and 88,968.11 is: 122,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,840.37 : 172,507.93 = 88,968.11 : x
  2. Step 2: Convert to fraction form
    124,840.37/172,507.93 = 88,968.11/x
  3. Step 3: Cross multiply
    124,840.37x = 172,507.93 × 88,968.11
  4. Step 4: Simplify right side
    124,840.37x = 15,347,703,407.15
  5. Step 5: Solve for x
    x = 15,347,703,407.15/124,840.37
  6. Step 6: Final answer
    x = 122,938.62

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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.