Home / 124,942.02-172,419.80-68,353.39

Finding the Fourth Proportional to 124,942.02, 172,419.80 and 68,353.39

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Solution

The fourth proportional to 124,942.02, 172,419.80 and 68,353.39 is: 94,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,942.02 : 172,419.80 = 68,353.39 : x
  2. Step 2: Convert to fraction form
    124,942.02/172,419.80 = 68,353.39/x
  3. Step 3: Cross multiply
    124,942.02x = 172,419.80 × 68,353.39
  4. Step 4: Simplify right side
    124,942.02x = 11,785,477,833.12
  5. Step 5: Solve for x
    x = 11,785,477,833.12/124,942.02
  6. Step 6: Final answer
    x = 94,327.58

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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.