Home / 75,689.17-104,450.99-43,876.51

Finding the Fourth Proportional to 75,689.17, 104,450.99 and 43,876.51

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Solution

The fourth proportional to 75,689.17, 104,450.99 and 43,876.51 is: 60,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,689.17 : 104,450.99 = 43,876.51 : x
  2. Step 2: Convert to fraction form
    75,689.17/104,450.99 = 43,876.51/x
  3. Step 3: Cross multiply
    75,689.17x = 104,450.99 × 43,876.51
  4. Step 4: Simplify right side
    75,689.17x = 4,582,944,687.86
  5. Step 5: Solve for x
    x = 4,582,944,687.86/75,689.17
  6. Step 6: Final answer
    x = 60,549.54

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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.