Home / 54,784.88-75,602.40-30,908.24

Finding the Fourth Proportional to 54,784.88, 75,602.40 and 30,908.24

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Solution

The fourth proportional to 54,784.88, 75,602.40 and 30,908.24 is: 42,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,784.88 : 75,602.40 = 30,908.24 : x
  2. Step 2: Convert to fraction form
    54,784.88/75,602.40 = 30,908.24/x
  3. Step 3: Cross multiply
    54,784.88x = 75,602.40 × 30,908.24
  4. Step 4: Simplify right side
    54,784.88x = 2,336,737,123.78
  5. Step 5: Solve for x
    x = 2,336,737,123.78/54,784.88
  6. Step 6: Final answer
    x = 42,652.96

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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.