Home / 54,313.99-74,953.30-30,114.89

Finding the Fourth Proportional to 54,313.99, 74,953.30 and 30,114.89

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Solution

The fourth proportional to 54,313.99, 74,953.30 and 30,114.89 is: 41,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313.99 : 74,953.30 = 30,114.89 : x
  2. Step 2: Convert to fraction form
    54,313.99/74,953.30 = 30,114.89/x
  3. Step 3: Cross multiply
    54,313.99x = 74,953.30 × 30,114.89
  4. Step 4: Simplify right side
    54,313.99x = 2,257,210,272.12
  5. Step 5: Solve for x
    x = 2,257,210,272.12/54,313.99
  6. Step 6: Final answer
    x = 41,558.54

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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.