Home / 54,699.28-75,485.08-29,548.78

Finding the Fourth Proportional to 54,699.28, 75,485.08 and 29,548.78

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Solution

The fourth proportional to 54,699.28, 75,485.08 and 29,548.78 is: 40,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,699.28 : 75,485.08 = 29,548.78 : x
  2. Step 2: Convert to fraction form
    54,699.28/75,485.08 = 29,548.78/x
  3. Step 3: Cross multiply
    54,699.28x = 75,485.08 × 29,548.78
  4. Step 4: Simplify right side
    54,699.28x = 2,230,492,042.69
  5. Step 5: Solve for x
    x = 2,230,492,042.69/54,699.28
  6. Step 6: Final answer
    x = 40,777.36

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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.