Home / 124,961.24-172,421.03-73,948.44

Finding the Fourth Proportional to 124,961.24, 172,421.03 and 73,948.44

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Solution

The fourth proportional to 124,961.24, 172,421.03 and 73,948.44 is: 102,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,961.24 : 172,421.03 = 73,948.44 : x
  2. Step 2: Convert to fraction form
    124,961.24/172,421.03 = 73,948.44/x
  3. Step 3: Cross multiply
    124,961.24x = 172,421.03 × 73,948.44
  4. Step 4: Simplify right side
    124,961.24x = 12,750,266,191.69
  5. Step 5: Solve for x
    x = 12,750,266,191.69/124,961.24
  6. Step 6: Final answer
    x = 102,033.77

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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.