Home / 54,598.72-75,345.99-30,725.79

Finding the Fourth Proportional to 54,598.72, 75,345.99 and 30,725.79

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Solution

The fourth proportional to 54,598.72, 75,345.99 and 30,725.79 is: 42,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,598.72 : 75,345.99 = 30,725.79 : x
  2. Step 2: Convert to fraction form
    54,598.72/75,345.99 = 30,725.79/x
  3. Step 3: Cross multiply
    54,598.72x = 75,345.99 × 30,725.79
  4. Step 4: Simplify right side
    54,598.72x = 2,315,065,066.08
  5. Step 5: Solve for x
    x = 2,315,065,066.08/54,598.72
  6. Step 6: Final answer
    x = 42,401.45

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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.