Home / 53,118.13-73,315.49-30,456.73

Finding the Fourth Proportional to 53,118.13, 73,315.49 and 30,456.73

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Solution

The fourth proportional to 53,118.13, 73,315.49 and 30,456.73 is: 42,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,118.13 : 73,315.49 = 30,456.73 : x
  2. Step 2: Convert to fraction form
    53,118.13/73,315.49 = 30,456.73/x
  3. Step 3: Cross multiply
    53,118.13x = 73,315.49 × 30,456.73
  4. Step 4: Simplify right side
    53,118.13x = 2,232,950,083.75
  5. Step 5: Solve for x
    x = 2,232,950,083.75/53,118.13
  6. Step 6: Final answer
    x = 42,037.44

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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.