Home / 124,732.91-172,082.58-76,903.22

Finding the Fourth Proportional to 124,732.91, 172,082.58 and 76,903.22

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Solution

The fourth proportional to 124,732.91, 172,082.58 and 76,903.22 is: 106,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,732.91 : 172,082.58 = 76,903.22 : x
  2. Step 2: Convert to fraction form
    124,732.91/172,082.58 = 76,903.22/x
  3. Step 3: Cross multiply
    124,732.91x = 172,082.58 × 76,903.22
  4. Step 4: Simplify right side
    124,732.91x = 13,233,704,649.73
  5. Step 5: Solve for x
    x = 13,233,704,649.73/124,732.91
  6. Step 6: Final answer
    x = 106,096.33

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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.