Home / 124,973.30-172,460.85-68,383.54

Finding the Fourth Proportional to 124,973.30, 172,460.85 and 68,383.54

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Solution

The fourth proportional to 124,973.30, 172,460.85 and 68,383.54 is: 94,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,973.30 : 172,460.85 = 68,383.54 : x
  2. Step 2: Convert to fraction form
    124,973.30/172,460.85 = 68,383.54/x
  3. Step 3: Cross multiply
    124,973.30x = 172,460.85 × 68,383.54
  4. Step 4: Simplify right side
    124,973.30x = 11,793,483,434.41
  5. Step 5: Solve for x
    x = 11,793,483,434.41/124,973.30
  6. Step 6: Final answer
    x = 94,368.02

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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.