Home / 54,549.99-75,278.45-30,676.82

Finding the Fourth Proportional to 54,549.99, 75,278.45 and 30,676.82

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Solution

The fourth proportional to 54,549.99, 75,278.45 and 30,676.82 is: 42,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.99 : 75,278.45 = 30,676.82 : x
  2. Step 2: Convert to fraction form
    54,549.99/75,278.45 = 30,676.82/x
  3. Step 3: Cross multiply
    54,549.99x = 75,278.45 × 30,676.82
  4. Step 4: Simplify right side
    54,549.99x = 2,309,303,160.83
  5. Step 5: Solve for x
    x = 2,309,303,160.83/54,549.99
  6. Step 6: Final answer
    x = 42,333.70

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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.