Home / 54,783.24-75,599.64-30,909.30

Finding the Fourth Proportional to 54,783.24, 75,599.64 and 30,909.30

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Solution

The fourth proportional to 54,783.24, 75,599.64 and 30,909.30 is: 42,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783.24 : 75,599.64 = 30,909.30 : x
  2. Step 2: Convert to fraction form
    54,783.24/75,599.64 = 30,909.30/x
  3. Step 3: Cross multiply
    54,783.24x = 75,599.64 × 30,909.30
  4. Step 4: Simplify right side
    54,783.24x = 2,336,731,952.65
  5. Step 5: Solve for x
    x = 2,336,731,952.65/54,783.24
  6. Step 6: Final answer
    x = 42,654.14

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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.