Home / 124,997.23-172,491.92-71,299.63

Finding the Fourth Proportional to 124,997.23, 172,491.92 and 71,299.63

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Solution

The fourth proportional to 124,997.23, 172,491.92 and 71,299.63 is: 98,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,997.23 : 172,491.92 = 71,299.63 : x
  2. Step 2: Convert to fraction form
    124,997.23/172,491.92 = 71,299.63/x
  3. Step 3: Cross multiply
    124,997.23x = 172,491.92 × 71,299.63
  4. Step 4: Simplify right side
    124,997.23x = 12,298,610,073.99
  5. Step 5: Solve for x
    x = 12,298,610,073.99/124,997.23
  6. Step 6: Final answer
    x = 98,391.06

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1.5x scale

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.